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53687968 = 251938693
BaseRepresentation
bin1100110011001…
…1011010100000
310202000122001021
43030303122200
5102221003333
65154415224
71221224455
oct314633240
9122018037
1053687968
112833a624
1215b91514
13b179c39
1471b782c
154aa782d
hex33336a0

53687968 has 24 divisors (see below), whose sum is σ = 106258068. Its totient is φ = 26701824.

The previous prime is 53687947. The next prime is 53688043. The reversal of 53687968 is 86978635.

It can be written as a sum of positive squares in 2 ways, for example, as 44997264 + 8690704 = 6708^2 + 2948^2 .

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, 1830 + ... + 10522.

Almost surely, 253687968 is an apocalyptic number.

It is an amenable number.

53687968 is a deficient number, since it is larger than the sum of its proper divisors (52570100).

53687968 is a wasteful number, since it uses less digits than its factorization.

53687968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896 (or 8888 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 53687968 is about 7327.2073807147. The cubic root of 53687968 is about 377.2468791293.

The spelling of 53687968 in words is "fifty-three million, six hundred eighty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 32 193 386 772 1544 3088 6176 8693 17386 34772 69544 139088 278176 1677749 3355498 6710996 13421992 26843984 53687968