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54628 = 2271951
BaseRepresentation
bin1101010101100100
32202221021
431111210
53222003
61100524
7315160
oct152544
982837
1054628
1138052
1227744
131bb32
1415ca0
15112bd
hexd564

54628 has 12 divisors (see below), whose sum is σ = 109312. Its totient is φ = 23400.

The previous prime is 54623. The next prime is 54629. The reversal of 54628 is 82645.

54628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

54628 is an admirable number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (54623) 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, 948 + ... + 1003.

254628 is an apocalyptic number.

It is an amenable number.

54628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54656).

54628 is a wasteful number, since it uses less digits than its factorization.

54628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1960 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 54628 is about 233.7263357005. The cubic root of 54628 is about 37.9435912830.

The spelling of 54628 in words is "fifty-four thousand, six hundred twenty-eight".

Divisors: 1 2 4 7 14 28 1951 3902 7804 13657 27314 54628