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53913856 = 28210601
BaseRepresentation
bin1100110110101…
…0100100000000
310202110002220111
43031222210000
5102300220411
65203321104
71223155153
oct315524400
9122402814
1053913856
1128484307
1216080194
13b2289b9
147235c9a
154aee721
hex336a900

53913856 has 18 divisors (see below), whose sum is σ = 107617622. Its totient is φ = 26956800.

The previous prime is 53913803. The next prime is 53913857. The reversal of 53913856 is 65831935.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 26873856 = 5200^2 + 5184^2 .

It is not an unprimeable number, because it can be changed into a prime (53913857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105045 + ... + 105556.

Almost surely, 253913856 is an apocalyptic number.

It is an amenable number.

53913856 is a deficient number, since it is larger than the sum of its proper divisors (53703766).

53913856 is an equidigital number, since it uses as much as digits as its factorization.

53913856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210617 (or 210603 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 53913856 is about 7342.6055320983. The cubic root of 53913856 is about 377.7752179245.

The spelling of 53913856 in words is "fifty-three million, nine hundred thirteen thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 128 256 210601 421202 842404 1684808 3369616 6739232 13478464 26956928 53913856