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54799431 = 318266477
BaseRepresentation
bin1101000100001…
…0110001000111
310211010002200120
43101002301013
5103012040211
65234313023
71233534051
oct321026107
9124102616
1054799431
1128a29695
1216428773
13b478acb
1473c68d1
154c26d06
hex3442c47

54799431 has 4 divisors (see below), whose sum is σ = 73065912. Its totient is φ = 36532952.

The previous prime is 54799427. The next prime is 54799453. The reversal of 54799431 is 13499745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54799431 - 22 = 54799427 is a prime.

It is a super-2 number, since 2×547994312 = 6005955275847522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54799831) 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, 9133236 + ... + 9133241.

It is an arithmetic number, because the mean of its divisors is an integer number (18266478).

Almost surely, 254799431 is an apocalyptic number.

54799431 is a deficient number, since it is larger than the sum of its proper divisors (18266481).

54799431 is a wasteful number, since it uses less digits than its factorization.

54799431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18266480.

The product of its digits is 136080, while the sum is 42.

The square root of 54799431 is about 7402.6637773169. The cubic root of 54799431 is about 379.8324076300.

The spelling of 54799431 in words is "fifty-four million, seven hundred ninety-nine thousand, four hundred thirty-one".

Divisors: 1 3 18266477 54799431