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53472369 = 317824123
BaseRepresentation
bin1100101111111…
…0110001110001
310201121200022010
43023332301301
5102142103434
65150033133
71216336056
oct313766161
9121550263
1053472369
1128202645
1215aa87a9
13b102a72
14715d02d
154a639e9
hex32fec71

53472369 has 4 divisors (see below), whose sum is σ = 71296496. Its totient is φ = 35648244.

The previous prime is 53472319. The next prime is 53472373. The reversal of 53472369 is 96327435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53472369 - 215 = 53439601 is a prime.

It is a super-2 number, since 2×534723692 = 5718588492944322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53472319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8912059 + ... + 8912064.

It is an arithmetic number, because the mean of its divisors is an integer number (17824124).

Almost surely, 253472369 is an apocalyptic number.

It is an amenable number.

53472369 is a deficient number, since it is larger than the sum of its proper divisors (17824127).

53472369 is a wasteful number, since it uses less digits than its factorization.

53472369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17824126.

The product of its digits is 136080, while the sum is 39.

The square root of 53472369 is about 7312.4803589480. The cubic root of 53472369 is about 376.7412216567.

The spelling of 53472369 in words is "fifty-three million, four hundred seventy-two thousand, three hundred sixty-nine".

Divisors: 1 3 17824123 53472369