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52479429 = 317493143
BaseRepresentation
bin1100100000110…
…0010111000101
310122202020020120
43020030113011
5101413320204
65112452153
71205032152
oct310142705
9118666216
1052479429
1127694632
12156aa059
13ab45b22
146d81229
1549196d9
hex320c5c5

52479429 has 4 divisors (see below), whose sum is σ = 69972576. Its totient is φ = 34986284.

The previous prime is 52479409. The next prime is 52479433. The reversal of 52479429 is 92497425.

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 52479429 - 217 = 52348357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52479409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8746569 + ... + 8746574.

It is an arithmetic number, because the mean of its divisors is an integer number (17493144).

Almost surely, 252479429 is an apocalyptic number.

It is an amenable number.

52479429 is a deficient number, since it is larger than the sum of its proper divisors (17493147).

52479429 is a wasteful number, since it uses less digits than its factorization.

52479429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17493146.

The product of its digits is 181440, while the sum is 42.

The square root of 52479429 is about 7244.2687001519. The cubic root of 52479429 is about 374.3947070691.

The spelling of 52479429 in words is "fifty-two million, four hundred seventy-nine thousand, four hundred twenty-nine".

Divisors: 1 3 17493143 52479429