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49020928 = 2181117
BaseRepresentation
bin1011101100000…
…0000000000000
310102020112001221
42323000000000
5100022132203
64510404424
71133446105
oct273000000
9112215057
1049020928
1125742170
1214500714
13a204888
146720aac
154484abd
hex2ec0000

49020928 has 76 divisors (see below), whose sum is σ = 113245992. Its totient is φ = 20971520.

The previous prime is 49020913. The next prime is 49020943. The reversal of 49020928 is 82902094.

It is an interprime number because it is at equal distance from previous prime (49020913) and next prime (49020943).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 49020893 and 49020902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883576 + ... + 2883592.

Almost surely, 249020928 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 49020928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56622996).

49020928 is an abundant number, since it is smaller than the sum of its proper divisors (64225064).

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

49020928 is an frugal number, since it uses more digits than its factorization.

49020928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 49020928 is about 7001.4946975628. The cubic root of 49020928 is about 365.9826601518.

The spelling of 49020928 in words is "forty-nine million, twenty thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 11 16 17 22 32 34 44 64 68 88 128 136 176 187 256 272 352 374 512 544 704 748 1024 1088 1408 1496 2048 2176 2816 2992 4096 4352 5632 5984 8192 8704 11264 11968 16384 17408 22528 23936 32768 34816 45056 47872 65536 69632 90112 95744 131072 139264 180224 191488 262144 278528 360448 382976 557056 720896 765952 1114112 1441792 1531904 2228224 2883584 3063808 4456448 6127616 12255232 24510464 49020928