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299932390 = 2529993239
BaseRepresentation
bin10001111000001…
…001101011100110
3202220101010220001
4101320021223212
51103240314030
645432331514
710301245312
oct2170115346
9686333801
10299932390
1114433870a
1284543b9a
134a1a60b4
142bb96b42
151b4e8cca
hex11e09ae6

299932390 has 8 divisors (see below), whose sum is σ = 539878320. Its totient is φ = 119972952.

The previous prime is 299932363. The next prime is 299932417. The reversal of 299932390 is 93239992.

It is an interprime number because it is at equal distance from previous prime (299932363) and next prime (299932417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2999323902 = 179918877142224200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 299932390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14996610 + ... + 14996629.

It is an arithmetic number, because the mean of its divisors is an integer number (67484790).

Almost surely, 2299932390 is an apocalyptic number.

299932390 is a deficient number, since it is larger than the sum of its proper divisors (239945930).

299932390 is a wasteful number, since it uses less digits than its factorization.

299932390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29993246.

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 299932390 is about 17318.5562331275. The cubic root of 299932390 is about 669.3826570130.

The spelling of 299932390 in words is "two hundred ninety-nine million, nine hundred thirty-two thousand, three hundred ninety".

Divisors: 1 2 5 10 29993239 59986478 149966195 299932390