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54070688 = 2571991213
BaseRepresentation
bin1100111001000…
…0110110100000
310202202002001002
43032100312200
5102320230223
65210531132
71224410330
oct316206640
9122662032
1054070688
1128581121
1216136aa8
13b2821b9
1472770c0
154b30e28
hex3390da0

54070688 has 48 divisors (see below), whose sum is σ = 122371200. Its totient is φ = 23037696.

The previous prime is 54070669. The next prime is 54070691. The reversal of 54070688 is 88607045.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43970 + ... + 45182.

It is an arithmetic number, because the mean of its divisors is an integer number (2549400).

Almost surely, 254070688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54070688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61185600).

54070688 is an abundant number, since it is smaller than the sum of its proper divisors (68300512).

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

54070688 is a wasteful number, since it uses less digits than its factorization.

54070688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 54070688 is about 7353.2773645498. The cubic root of 54070688 is about 378.1411713868.

The spelling of 54070688 in words is "fifty-four million, seventy thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 199 224 398 796 1213 1393 1592 2426 2786 3184 4852 5572 6368 8491 9704 11144 16982 19408 22288 33964 38816 44576 67928 135856 241387 271712 482774 965548 1689709 1931096 3379418 3862192 6758836 7724384 13517672 27035344 54070688