Search a number
-
+
56415700 = 22521151287
BaseRepresentation
bin1101011100110…
…1010111010100
310221011012210101
43113031113110
5103420300300
65333103444
71253345155
oct327152724
9127135711
1056415700
1129932a50
1216a87b84
13b8c3693
1476c792c
154e45b6a
hex35cd5d4

56415700 has 36 divisors (see below), whose sum is σ = 133553952. Its totient is φ = 20514400.

The previous prime is 56415683. The next prime is 56415739. The reversal of 56415700 is 751465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24544 + ... + 26743.

It is an arithmetic number, because the mean of its divisors is an integer number (3709832).

Almost surely, 256415700 is an apocalyptic number.

56415700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56415700 is an abundant number, since it is smaller than the sum of its proper divisors (77138252).

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

56415700 is a wasteful number, since it uses less digits than its factorization.

56415700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51312 (or 51305 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 56415700 is about 7511.0385433707. The cubic root of 56415700 is about 383.5305769201.

The spelling of 56415700 in words is "fifty-six million, four hundred fifteen thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 51287 102574 205148 256435 512870 564157 1025740 1128314 1282175 2256628 2564350 2820785 5128700 5641570 11283140 14103925 28207850 56415700