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42958848 = 21531923
BaseRepresentation
bin1010001111100…
…0000000000000
32222211112110110
42203320000000
541444140343
64132431320
71031100312
oct243700000
988745413
1042958848
1122281689
1212478540
138b9154a
1459c37b2
153b88833
hex28f8000

42958848 has 128 divisors (see below), whose sum is σ = 125827200. Its totient is φ = 12976128.

The previous prime is 42958843. The next prime is 42958873. The reversal of 42958848 is 84885924.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 42958797 and 42958806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42958843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867765 + ... + 1867787.

It is an arithmetic number, because the mean of its divisors is an integer number (983025).

Almost surely, 242958848 is an apocalyptic number.

42958848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42958848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62913600).

42958848 is an abundant number, since it is smaller than the sum of its proper divisors (82868352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42958848 is an equidigital number, since it uses as much as digits as its factorization.

42958848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 47 counting only the distinct ones).

The product of its digits is 737280, while the sum is 48.

The square root of 42958848 is about 6554.2999626200. The cubic root of 42958848 is about 350.2280092531.

The spelling of 42958848 in words is "forty-two million, nine hundred fifty-eight thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 19 23 24 32 38 46 48 57 64 69 76 92 96 114 128 138 152 184 192 228 256 276 304 368 384 437 456 512 552 608 736 768 874 912 1024 1104 1216 1311 1472 1536 1748 1824 2048 2208 2432 2622 2944 3072 3496 3648 4096 4416 4864 5244 5888 6144 6992 7296 8192 8832 9728 10488 11776 12288 13984 14592 16384 17664 19456 20976 23552 24576 27968 29184 32768 35328 38912 41952 47104 49152 55936 58368 70656 77824 83904 94208 98304 111872 116736 141312 155648 167808 188416 223744 233472 282624 311296 335616 376832 447488 466944 565248 622592 671232 753664 894976 933888 1130496 1342464 1789952 1867776 2260992 2684928 3579904 5369856 7159808 10739712 14319616 21479424 42958848