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54878464 = 284632
BaseRepresentation
bin1101000101011…
…0000100000000
310211021010002201
43101112010000
5103022102324
65240122544
71234313344
oct321260400
9124233081
1054878464
1128a83003
1216466454
13b4a5a84
147407624
154c40444
hex3456100

54878464 has 27 divisors (see below), whose sum is σ = 109779663. Its totient is φ = 27379968.

The previous prime is 54878443. The next prime is 54878477. The reversal of 54878464 is 46487845.

The square root of 54878464 is 7408.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 118297 + ... + 118759.

Almost surely, 254878464 is an apocalyptic number.

54878464 is the 7408-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54878464

54878464 is an abundant number, since it is smaller than the sum of its proper divisors (54901199).

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

54878464 is an frugal number, since it uses more digits than its factorization.

54878464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 465 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The cubic root of 54878464 is about 380.0149209284.

The spelling of 54878464 in words is "fifty-four million, eight hundred seventy-eight thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 256 463 926 1852 3704 7408 14816 29632 59264 118528 214369 428738 857476 1714952 3429904 6859808 13719616 27439232 54878464