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56144448 = 263332491
BaseRepresentation
bin1101011000101…
…1001001000000
310220122102201000
43112023021000
5103333110243
65323212000
71251135303
oct326131100
9126572630
1056144448
1129768178
1216977000
13b82a089
147656b3a
154de05d3
hex358b240

56144448 has 56 divisors (see below), whose sum is σ = 165059360. Its totient is φ = 18714240.

The previous prime is 56144447. The next prime is 56144453. The reversal of 56144448 is 84444165.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56144447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14518 + ... + 17973.

Almost surely, 256144448 is an apocalyptic number.

It is an amenable number.

56144448 is an abundant number, since it is smaller than the sum of its proper divisors (108914912).

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

56144448 is a wasteful number, since it uses less digits than its factorization.

56144448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32512 (or 32496 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 56144448 is about 7492.9598957955. The cubic root of 56144448 is about 382.9149054135.

The spelling of 56144448 in words is "fifty-six million, one hundred forty-four thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 32491 64982 97473 129964 194946 259928 292419 389892 519856 584838 779784 877257 1039712 1169676 1559568 1754514 2079424 2339352 3119136 3509028 4678704 6238272 7018056 9357408 14036112 18714816 28072224 56144448