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392427 = 3276229
BaseRepresentation
bin1011111110011101011
3201221022100
41133303223
5100024202
612224443
73223050
oct1376353
9657270
10392427
11248922
1216b123
13109809
14a3027
157b41c
hex5fceb

392427 has 12 divisors (see below), whose sum is σ = 647920. Its totient is φ = 224208.

The previous prime is 392423. The next prime is 392437. The reversal of 392427 is 724293.

It is not a de Polignac number, because 392427 - 22 = 392423 is a prime.

392427 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 392427.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 392427.

It is not an unprimeable number, because it can be changed into a prime (392423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3052 + ... + 3177.

2392427 is an apocalyptic number.

392427 is a deficient number, since it is larger than the sum of its proper divisors (255493).

392427 is a wasteful number, since it uses less digits than its factorization.

392427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242 (or 6239 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 392427 is about 626.4399412553. The cubic root of 392427 is about 73.2126780871.

Subtracting from 392427 its product of digits (3024), we obtain a triangular number (389403 = T882).

The spelling of 392427 in words is "three hundred ninety-two thousand, four hundred twenty-seven".

Divisors: 1 3 7 9 21 63 6229 18687 43603 56061 130809 392427