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290716692 = 223715712203
BaseRepresentation
bin10001010100111…
…111110000010100
3202021000221022220
4101110333300110
51043410413232
644503022340
710130023350
oct2124776024
9667027286
10290716692
1113a113832
128143a9b0
13482ca516
142a878460
151a7c842c
hex1153fc14

290716692 has 48 divisors (see below), whose sum is σ = 776090112. Its totient is φ = 82971360.

The previous prime is 290716637. The next prime is 290716703. The reversal of 290716692 is 296617092.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 130863 + ... + 133065.

It is an arithmetic number, because the mean of its divisors is an integer number (16168544).

Almost surely, 2290716692 is an apocalyptic number.

It is an amenable number.

290716692 is an abundant number, since it is smaller than the sum of its proper divisors (485373420).

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

290716692 is a wasteful number, since it uses less digits than its factorization.

290716692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788 (or 3786 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 290716692 is about 17050.4161826039. The cubic root of 290716692 is about 662.4554175292.

The spelling of 290716692 in words is "two hundred ninety million, seven hundred sixteen thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1571 2203 3142 4406 4713 6284 6609 8812 9426 10997 13218 15421 18852 21994 26436 30842 32991 43988 46263 61684 65982 92526 131964 185052 3460913 6921826 10382739 13843652 20765478 24226391 41530956 48452782 72679173 96905564 145358346 290716692