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53953068 = 22313345853
BaseRepresentation
bin1100110111010…
…0001000101100
310202112002200210
43031310020230
5102302444233
65204222420
71223410401
oct315641054
9122462623
1053953068
1128500814
121609aa10
13b2407c0
1472462a8
154b0b163
hex337422c

53953068 has 24 divisors (see below), whose sum is σ = 135574768. Its totient is φ = 16600896.

The previous prime is 53953063. The next prime is 53953069. The reversal of 53953068 is 86035935.

It is a super-2 number, since 2×539530682 = 5821867093225248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (53953063) 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, 172771 + ... + 173082.

Almost surely, 253953068 is an apocalyptic number.

It is an amenable number.

53953068 is an abundant number, since it is smaller than the sum of its proper divisors (81621700).

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

53953068 is a wasteful number, since it uses less digits than its factorization.

53953068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345873 (or 345871 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 53953068 is about 7345.2752160828. The cubic root of 53953068 is about 377.8667820919.

The spelling of 53953068 in words is "fifty-three million, nine hundred fifty-three thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 345853 691706 1037559 1383412 2075118 4150236 4496089 8992178 13488267 17984356 26976534 53953068