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54728764 = 2231441361
BaseRepresentation
bin1101000011000…
…1100000111100
310210222111202021
43100301200330
5103002310024
65233005524
71233121036
oct320614074
9123874667
1054728764
1128990592
12163b38a4
13b4528ac
1473a8c56
154c10de4
hex343183c

54728764 has 12 divisors (see below), whose sum is σ = 98865088. Its totient is φ = 26481600.

The previous prime is 54728761. The next prime is 54728777. The reversal of 54728764 is 46782745.

It is a self number, because there is not a number n which added to its sum of digits gives 54728764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54728761) 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, 220557 + ... + 220804.

Almost surely, 254728764 is an apocalyptic number.

It is an amenable number.

54728764 is a deficient number, since it is larger than the sum of its proper divisors (44136324).

54728764 is a wasteful number, since it uses less digits than its factorization.

54728764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441396 (or 441394 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 54728764 is about 7397.8891584019. The cubic root of 54728764 is about 379.6690655267.

The spelling of 54728764 in words is "fifty-four million, seven hundred twenty-eight thousand, seven hundred sixty-four".

Divisors: 1 2 4 31 62 124 441361 882722 1765444 13682191 27364382 54728764