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53970688 = 28210823
BaseRepresentation
bin1100110111100…
…0011100000000
310202112222212101
43031320130000
5102304030223
65204440144
71223512642
oct315703400
9122488771
1053970688
1128512a82
12160a9054
13b248825
14724c892
154b114ad
hex3378700

53970688 has 18 divisors (see below), whose sum is σ = 107731064. Its totient is φ = 26985216.

The previous prime is 53970649. The next prime is 53970689. The reversal of 53970688 is 88607935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53970689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105156 + ... + 105667.

Almost surely, 253970688 is an apocalyptic number.

It is an amenable number.

53970688 is a deficient number, since it is larger than the sum of its proper divisors (53760376).

53970688 is an equidigital number, since it uses as much as digits as its factorization.

53970688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210839 (or 210825 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 53970688 is about 7346.4745286430. The cubic root of 53970688 is about 377.9079122092.

The spelling of 53970688 in words is "fifty-three million, nine hundred seventy thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 210823 421646 843292 1686584 3373168 6746336 13492672 26985344 53970688