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49481856 = 273242953
BaseRepresentation
bin1011110011000…
…0100010000000
310110002221100100
42330300202000
5100131404411
64524322400
71140405654
oct274604200
9113087310
1049481856
1125a274a6
12146a3400
13a336608
146800a64
154526456
hex2f30880

49481856 has 48 divisors (see below), whose sum is σ = 142392510. Its totient is φ = 16493568.

The previous prime is 49481851. The next prime is 49481893. The reversal of 49481856 is 65818494.

49481856 is a `hidden beast` number, since 494 + 81 + 85 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48776256 + 705600 = 6984^2 + 840^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (49481851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20325 + ... + 22628.

Almost surely, 249481856 is an apocalyptic number.

It is an amenable number.

49481856 is an abundant number, since it is smaller than the sum of its proper divisors (92910654).

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

49481856 is a wasteful number, since it uses less digits than its factorization.

49481856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42973 (or 42958 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 49481856 is about 7034.3340836216. The cubic root of 49481856 is about 367.1261559969.

The spelling of 49481856 in words is "forty-nine million, four hundred eighty-one thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 42953 85906 128859 171812 257718 343624 386577 515436 687248 773154 1030872 1374496 1546308 2061744 2748992 3092616 4123488 5497984 6185232 8246976 12370464 16493952 24740928 49481856