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290304716 = 2213171971667
BaseRepresentation
bin10001010011011…
…011001011001100
3202020021000012112
4101103123023030
51043304222331
644450123152
710123356302
oct2123331314
9666230175
10290304716
11139962259
12812804b8
13481b4b50
142a7ac272
151a74632b
hex114db2cc

290304716 has 48 divisors (see below), whose sum is σ = 582585696. Its totient is φ = 125389824.

The previous prime is 290304709. The next prime is 290304737. The reversal of 290304716 is 617403092.

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, 173315 + ... + 174981.

It is an arithmetic number, because the mean of its divisors is an integer number (12137202).

Almost surely, 2290304716 is an apocalyptic number.

290304716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

290304716 is an abundant number, since it is smaller than the sum of its proper divisors (292280980).

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

290304716 is a wasteful number, since it uses less digits than its factorization.

290304716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 290304716 is about 17038.3307867878. The cubic root of 290304716 is about 662.1423466955.

The spelling of 290304716 in words is "two hundred ninety million, three hundred four thousand, seven hundred sixteen".

Divisors: 1 2 4 13 17 26 34 52 68 197 221 394 442 788 884 1667 2561 3334 3349 5122 6668 6698 10244 13396 21671 28339 43342 43537 56678 86684 87074 113356 174148 328399 368407 656798 736814 1313596 1473628 4269187 5582783 8538374 11165566 17076748 22331132 72576179 145152358 290304716