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390027 = 31153223
BaseRepresentation
bin1011111001110001011
3201211000110
41133032023
544440102
612205403
73213051
oct1371613
9654013
10390027
11247040
12169863
131086b1
14a21d1
157a86c
hex5f38b

390027 has 16 divisors (see below), whose sum is σ = 580608. Its totient is φ = 230880.

The previous prime is 390001. The next prime is 390043. The reversal of 390027 is 720093.

It is not a de Polignac number, because 390027 - 210 = 389003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389985 and 390012.

It is not an unprimeable number, because it can be changed into a prime (390067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638 + ... + 1860.

It is an arithmetic number, because the mean of its divisors is an integer number (36288).

2390027 is an apocalyptic number.

390027 is a deficient number, since it is larger than the sum of its proper divisors (190581).

390027 is a wasteful number, since it uses less digits than its factorization.

390027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 390027 is about 624.5214167665. The cubic root of 390027 is about 73.0631217349.

Multiplying 390027 by its product of nonzero digits (378), we get a triangular number (147430206 = T17171).

The spelling of 390027 in words is "three hundred ninety thousand, twenty-seven".

Divisors: 1 3 11 33 53 159 223 583 669 1749 2453 7359 11819 35457 130009 390027