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53673831 = 3238915331
BaseRepresentation
bin1100110010111…
…1111101100111
310201222220122200
43030233331213
5102220030311
65154225543
71221135321
oct314577547
9121886580
1053673831
112832aa42
1215b852b3
13b173683
1471b2611
154aa3556
hex332ff67

53673831 has 12 divisors (see below), whose sum is σ = 77733240. Its totient is φ = 35688240.

The previous prime is 53673821. The next prime is 53673857. The reversal of 53673831 is 13837635.

It is not a de Polignac number, because 53673831 - 27 = 53673703 is a prime.

It is a super-2 number, since 2×536738312 = 5761760268433122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53673821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4165 + ... + 11166.

It is an arithmetic number, because the mean of its divisors is an integer number (6477770).

Almost surely, 253673831 is an apocalyptic number.

53673831 is a deficient number, since it is larger than the sum of its proper divisors (24059409).

53673831 is a wasteful number, since it uses less digits than its factorization.

53673831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15726 (or 15723 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 53673831 is about 7326.2426249750. The cubic root of 53673831 is about 377.2137642775.

The spelling of 53673831 in words is "fifty-three million, six hundred seventy-three thousand, eight hundred thirty-one".

Divisors: 1 3 9 389 1167 3501 15331 45993 137979 5963759 17891277 53673831