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390927 = 3311419
BaseRepresentation
bin1011111011100001111
3201212020210
41133130033
5100002202
612213503
73215505
oct1373417
9655223
10390927
11247789
1216a293
13108c24
14a2675
157ac6c
hex5f70f

390927 has 8 divisors (see below), whose sum is σ = 524160. Its totient is φ = 259160.

The previous prime is 390893. The next prime is 390953. The reversal of 390927 is 729093.

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 390927 - 28 = 390671 is a prime.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 390894 and 390903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390967) 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, 724 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2390927 is an apocalyptic number.

390927 is a deficient number, since it is larger than the sum of its proper divisors (133233).

390927 is a wasteful number, since it uses less digits than its factorization.

390927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 390927 is about 625.2415533216. The cubic root of 390927 is about 73.1192770742.

The spelling of 390927 in words is "three hundred ninety thousand, nine hundred twenty-seven".

Divisors: 1 3 311 419 933 1257 130309 390927