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314139 = 3722137
BaseRepresentation
bin1001100101100011011
3120221220210
41030230123
540023024
610422203
72445600
oct1145433
9527823
10314139
111a5021
12131963
13acca7
14826a7
1563129
hex4cb1b

314139 has 12 divisors (see below), whose sum is σ = 487464. Its totient is φ = 179424.

The previous prime is 314137. The next prime is 314159. The reversal of 314139 is 931413.

It is not a de Polignac number, because 314139 - 21 = 314137 is a prime.

It is a super-2 number, since 2×3141392 = 197366622642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 314139.

It is not an unprimeable number, because it can be changed into a prime (314137) 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, 922 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (40622).

2314139 is an apocalyptic number.

314139 is a deficient number, since it is larger than the sum of its proper divisors (173325).

314139 is a wasteful number, since it uses less digits than its factorization.

314139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154 (or 2147 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 314139 is about 560.4810433904. The cubic root of 314139 is about 67.9788717520.

The spelling of 314139 in words is "three hundred fourteen thousand, one hundred thirty-nine".

Divisors: 1 3 7 21 49 147 2137 6411 14959 44877 104713 314139