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392315345 = 5471669427
BaseRepresentation
bin10111011000100…
…100000111010001
31000100012200110222
4113120210013101
51300413042340
6102532402425
712502424342
oct2730440721
91010180428
10392315345
111914a7364
12ab476415
1363380876
143a1640c9
15246968b5
hex176241d1

392315345 has 8 divisors (see below), whose sum is σ = 480795264. Its totient is φ = 307174384.

The previous prime is 392315317. The next prime is 392315389. The reversal of 392315345 is 543513293.

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

It is a cyclic number.

It is not a de Polignac number, because 392315345 - 214 = 392298961 is a prime.

It is a super-2 number, since 2×3923153452 = 307822659844938050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834479 + ... + 834948.

It is an arithmetic number, because the mean of its divisors is an integer number (60099408).

Almost surely, 2392315345 is an apocalyptic number.

It is an amenable number.

392315345 is a deficient number, since it is larger than the sum of its proper divisors (88479919).

392315345 is a wasteful number, since it uses less digits than its factorization.

392315345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669479.

The product of its digits is 48600, while the sum is 35.

The square root of 392315345 is about 19806.9519361259. The cubic root of 392315345 is about 732.0573383425.

The spelling of 392315345 in words is "three hundred ninety-two million, three hundred fifteen thousand, three hundred forty-five".

Divisors: 1 5 47 235 1669427 8347135 78463069 392315345