Search a number
-
+
56481078 = 239413513
BaseRepresentation
bin1101011101110…
…1010100110110
310221021112110210
43113131110312
5103424343303
65334330250
71254036603
oct327352466
9127245423
1056481078
1129978085
1216ab9986
13b917374
1477036aa
154e5a203
hex35dd536

56481078 has 8 divisors (see below), whose sum is σ = 112962168. Its totient is φ = 18827024.

The previous prime is 56481041. The next prime is 56481083. The reversal of 56481078 is 87018465.

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

56481078 is an admirable number.

It is a super-2 number, since 2×564810782 = 6380224344084168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4706751 + ... + 4706762.

It is an arithmetic number, because the mean of its divisors is an integer number (14120271).

Almost surely, 256481078 is an apocalyptic number.

56481078 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.

56481078 is a wasteful number, since it uses less digits than its factorization.

56481078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9413518.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 56481078 is about 7515.3894110685. The cubic root of 56481078 is about 383.6786727063.

The spelling of 56481078 in words is "fifty-six million, four hundred eighty-one thousand, seventy-eight".

Divisors: 1 2 3 6 9413513 18827026 28240539 56481078