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54979793 = 1125119913
BaseRepresentation
bin1101000110111…
…0110011010001
310211110021002122
43101232303101
5103033323133
65242224025
71235214641
oct321566321
9124407078
1054979793
1129042150
12164b5015
13b50cc2b
147432521
154c60498
hex346ecd1

54979793 has 8 divisors (see below), whose sum is σ = 60219936. Its totient is φ = 49780000.

The previous prime is 54979789. The next prime is 54979823. The reversal of 54979793 is 39797945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54979793 - 22 = 54979789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54979733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7196 + ... + 12717.

It is an arithmetic number, because the mean of its divisors is an integer number (7527492).

Almost surely, 254979793 is an apocalyptic number.

It is an amenable number.

54979793 is a deficient number, since it is larger than the sum of its proper divisors (5240143).

54979793 is a wasteful number, since it uses less digits than its factorization.

54979793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20175.

The product of its digits is 2143260, while the sum is 53.

The square root of 54979793 is about 7414.8360062782. The cubic root of 54979793 is about 380.2486668801.

The spelling of 54979793 in words is "fifty-four million, nine hundred seventy-nine thousand, seven hundred ninety-three".

Divisors: 1 11 251 2761 19913 219043 4998163 54979793