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4631690 = 257127521
BaseRepresentation
bin10001101010110010001010
322201022111002
4101222302022
52141203230
6243135002
754240320
oct21526212
98638432
104631690
112683948
121674462
13c6225b
14887d10
15617545
hex46ac8a

4631690 has 32 divisors (see below), whose sum is σ = 9621504. Its totient is φ = 1572480.

The previous prime is 4631689. The next prime is 4631699. The reversal of 4631690 is 961364.

It is a super-2 number, since 2×46316902 = 42905104512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4631699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8630 + ... + 9150.

It is an arithmetic number, because the mean of its divisors is an integer number (300672).

Almost surely, 24631690 is an apocalyptic number.

4631690 is an abundant number, since it is smaller than the sum of its proper divisors (4989814).

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

4631690 is a wasteful number, since it uses less digits than its factorization.

4631690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4631690 is about 2152.1361481096. The cubic root of 4631690 is about 166.6913874442.

The spelling of 4631690 in words is "four million, six hundred thirty-one thousand, six hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 127 254 521 635 889 1042 1270 1778 2605 3647 4445 5210 7294 8890 18235 36470 66167 132334 330835 463169 661670 926338 2315845 4631690