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52790693 = 103512531
BaseRepresentation
bin1100100101100…
…0010110100101
310200100001012212
43021120112211
5102003300233
65123253205
71210466504
oct311302645
9120301185
1052790693
112788747a
121581a205
13ac246c7
14702283b
15497ba48
hex32585a5

52790693 has 4 divisors (see below), whose sum is σ = 53303328. Its totient is φ = 52278060.

The previous prime is 52790687. The next prime is 52790741. The reversal of 52790693 is 39609725.

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 a cyclic number.

It is not a de Polignac number, because 52790693 - 26 = 52790629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52790693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52790603) 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, 256163 + ... + 256368.

It is an arithmetic number, because the mean of its divisors is an integer number (13325832).

Almost surely, 252790693 is an apocalyptic number.

It is an amenable number.

52790693 is a deficient number, since it is larger than the sum of its proper divisors (512635).

52790693 is a wasteful number, since it uses less digits than its factorization.

52790693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512634.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 52790693 is about 7265.7204047500. The cubic root of 52790693 is about 375.1334470246.

The spelling of 52790693 in words is "fifty-two million, seven hundred ninety thousand, six hundred ninety-three".

Divisors: 1 103 512531 52790693