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56151740 = 22523122069
BaseRepresentation
bin1101011000110…
…0111010111100
310220122210201002
43112030322330
5103333323430
65323305432
71251165461
oct326147274
9126583632
1056151740
11297726a7
121697b278
13b8304a8
147659668
154de2845
hex358cebc

56151740 has 24 divisors (see below), whose sum is σ = 123046560. Its totient is φ = 21483968.

The previous prime is 56151737. The next prime is 56151773. The reversal of 56151740 is 4715165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60575 + ... + 61494.

It is an arithmetic number, because the mean of its divisors is an integer number (5126940).

Almost surely, 256151740 is an apocalyptic number.

It is an amenable number.

56151740 is an abundant number, since it is smaller than the sum of its proper divisors (66894820).

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

56151740 is a wasteful number, since it uses less digits than its factorization.

56151740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122101 (or 122099 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 56151740 is about 7493.4464700830. The cubic root of 56151740 is about 382.9314822655.

The spelling of 56151740 in words is "fifty-six million, one hundred fifty-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 122069 244138 488276 610345 1220690 2441380 2807587 5615174 11230348 14037935 28075870 56151740