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4256707872 = 25371624517
BaseRepresentation
bin1111110110111000…
…0011010100100000
3101222122202011110010
43331232003110200
532204204122442
61542220004520
7210325264014
oct37556032440
911878664403
104256707872
11189488969a
129a9690740
1352ab72371
142c5498544
1519da81b9c
hexfdb83520

4256707872 has 48 divisors (see below), whose sum is σ = 11331254592. Its totient is φ = 1398915840.

The previous prime is 4256707849. The next prime is 4256707913. The reversal of 4256707872 is 2787076524.

4256707872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 305443 + ... + 319074.

It is an arithmetic number, because the mean of its divisors is an integer number (236067804).

Almost surely, 24256707872 is an apocalyptic number.

It is an amenable number.

4256707872 is an abundant number, since it is smaller than the sum of its proper divisors (7074546720).

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

4256707872 is a wasteful number, since it uses less digits than its factorization.

4256707872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624601 (or 624593 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 4256707872 is about 65243.4507977621. The cubic root of 4256707872 is about 1620.6576448942.

The spelling of 4256707872 in words is "four billion, two hundred fifty-six million, seven hundred seven thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 71 96 142 213 284 426 568 852 1136 1704 2272 3408 6816 624517 1249034 1873551 2498068 3747102 4996136 7494204 9992272 14988408 19984544 29976816 44340707 59953632 88681414 133022121 177362828 266044242 354725656 532088484 709451312 1064176968 1418902624 2128353936 4256707872