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428292258 = 23531346831
BaseRepresentation
bin11001100001110…
…011100010100010
31002211220111112020
4121201303202202
51334120323013
6110255442310
713420265322
oct3141634242
91084814466
10428292258
111aa83a349
12bb526396
136a969194
1440c4b282
1527901623
hex198738a2

428292258 has 16 divisors (see below), whose sum is σ = 872747136. Its totient is φ = 140070320.

The previous prime is 428292253. The next prime is 428292287. The reversal of 428292258 is 852292824.

It is not an unprimeable number, because it can be changed into a prime (428292251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673098 + ... + 673733.

It is an arithmetic number, because the mean of its divisors is an integer number (54546696).

Almost surely, 2428292258 is an apocalyptic number.

428292258 is an abundant number, since it is smaller than the sum of its proper divisors (444454878).

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

428292258 is a wasteful number, since it uses less digits than its factorization.

428292258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346889.

The product of its digits is 184320, while the sum is 42.

The square root of 428292258 is about 20695.2230720038. The cubic root of 428292258 is about 753.7836989518.

The spelling of 428292258 in words is "four hundred twenty-eight million, two hundred ninety-two thousand, two hundred fifty-eight".

Divisors: 1 2 3 6 53 106 159 318 1346831 2693662 4040493 8080986 71382043 142764086 214146129 428292258