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392313 = 3251521
BaseRepresentation
bin1011111110001111001
3201221011010
41133301321
5100023223
612224133
73222525
oct1376171
9657133
10392313
11248829
1216b049
1310974c
14a2d85
157b393
hex5fc79

392313 has 8 divisors (see below), whose sum is σ = 526176. Its totient is φ = 260000.

The previous prime is 392299. The next prime is 392321. The reversal of 392313 is 313293.

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 392313 - 24 = 392297 is a prime.

It is a Curzon number.

392313 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 392313.

It is not an unprimeable number, because it can be changed into a prime (392333) by changing a digit.

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, 493 + ... + 1013.

It is an arithmetic number, because the mean of its divisors is an integer number (65772).

2392313 is an apocalyptic number.

It is an amenable number.

392313 is a deficient number, since it is larger than the sum of its proper divisors (133863).

392313 is a wasteful number, since it uses less digits than its factorization.

392313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its digits is 486, while the sum is 21.

The square root of 392313 is about 626.3489442795. The cubic root of 392313 is about 73.2055879756.

The spelling of 392313 in words is "three hundred ninety-two thousand, three hundred thirteen".

Divisors: 1 3 251 521 753 1563 130771 392313