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48861312 = 2731937181
BaseRepresentation
bin1011101001100…
…1000010000000
310101221102010020
42322121002000
5100002030222
64503133440
71132212543
oct272310200
9111842106
1048861312
1125643255
1214444280
13a17a026
1466bc85a
15445265c
hex2e99080

48861312 has 128 divisors (see below), whose sum is σ = 141086400. Its totient is φ = 14929920.

The previous prime is 48861311. The next prime is 48861347. The reversal of 48861312 is 21316884.

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

It is a super-2 number, since 2×488613122 = 4774855620722688, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48861311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269862 + ... + 270042.

Almost surely, 248861312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48861312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70543200).

48861312 is an abundant number, since it is smaller than the sum of its proper divisors (92225088).

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

48861312 is a wasteful number, since it uses less digits than its factorization.

48861312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 242 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 48861312 is about 6990.0866947413. The cubic root of 48861312 is about 365.5850054580.

The spelling of 48861312 in words is "forty-eight million, eight hundred sixty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 37 38 48 57 64 74 76 96 111 114 128 148 152 181 192 222 228 296 304 362 384 444 456 543 592 608 703 724 888 912 1086 1184 1216 1406 1448 1776 1824 2109 2172 2368 2432 2812 2896 3439 3552 3648 4218 4344 4736 5624 5792 6697 6878 7104 7296 8436 8688 10317 11248 11584 13394 13756 14208 16872 17376 20091 20634 22496 23168 26788 27512 33744 34752 40182 41268 44992 53576 55024 67488 69504 80364 82536 89984 107152 110048 127243 134976 160728 165072 214304 220096 254486 269952 321456 330144 381729 428608 440192 508972 642912 660288 763458 857216 1017944 1285824 1320576 1526916 2035888 2571648 3053832 4071776 6107664 8143552 12215328 16287104 24430656 48861312