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427825590 = 235107133279
BaseRepresentation
bin11001100000000…
…001100110110110
31002211000210101020
4121200001212312
51334010404330
6110241442010
713413312633
oct3140014666
91084023336
10427825590
111aa550775
12bb340306
136a83494a
1440b6918a
152785d210
hex198019b6

427825590 has 32 divisors (see below), whose sum is σ = 1036385280. Its totient is φ = 113019744.

The previous prime is 427825589. The next prime is 427825627. The reversal of 427825590 is 95528724.

It is a congruent number.

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, 63430 + ... + 69849.

It is an arithmetic number, because the mean of its divisors is an integer number (32387040).

Almost surely, 2427825590 is an apocalyptic number.

427825590 is an abundant number, since it is smaller than the sum of its proper divisors (608559690).

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

427825590 is a wasteful number, since it uses less digits than its factorization.

427825590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133396.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 427825590 is about 20683.9452232885. The cubic root of 427825590 is about 753.5098247737.

The spelling of 427825590 in words is "four hundred twenty-seven million, eight hundred twenty-five thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 107 214 321 535 642 1070 1605 3210 133279 266558 399837 666395 799674 1332790 1999185 3998370 14260853 28521706 42782559 71304265 85565118 142608530 213912795 427825590