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428226882 = 23678911969
BaseRepresentation
bin11001100001100…
…011100101000010
31002211210011211220
4121201203211002
51334111230012
6110254215510
713416603606
oct3141434502
91084704756
10428226882
111aa7a5216
12bb4b4596
136a9454b5
1440c31506
15278dc08c
hex19863942

428226882 has 32 divisors (see below), whose sum is σ = 879076800. Its totient is φ = 139020288.

The previous prime is 428226871. The next prime is 428226899. The reversal of 428226882 is 288622824.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29794 + ... + 41762.

It is an arithmetic number, because the mean of its divisors is an integer number (27471150).

Almost surely, 2428226882 is an apocalyptic number.

428226882 is an abundant number, since it is smaller than the sum of its proper divisors (450849918).

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

428226882 is a wasteful number, since it uses less digits than its factorization.

428226882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12130.

The product of its digits is 196608, while the sum is 42.

The square root of 428226882 is about 20693.6435167904. The cubic root of 428226882 is about 753.7453436233.

The spelling of 428226882 in words is "four hundred twenty-eight million, two hundred twenty-six thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 67 89 134 178 201 267 402 534 5963 11926 11969 17889 23938 35778 35907 71814 801923 1065241 1603846 2130482 2405769 3195723 4811538 6391446 71371147 142742294 214113441 428226882