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914139 = 3333857
BaseRepresentation
bin11011111001011011011
31201102222000
43133023123
5213223024
631332043
710525062
oct3371333
91642860
10914139
11574896
12381023
13260115
1419b1d9
15130cc9
hexdf2db

914139 has 8 divisors (see below), whose sum is σ = 1354320. Its totient is φ = 609408.

The previous prime is 914131. The next prime is 914161. The reversal of 914139 is 931419.

It is not a de Polignac number, because 914139 - 23 = 914131 is a prime.

It is a super-2 number, since 2×9141392 = 1671300222642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 33857 = 914139 / (9 + 1 + 4 + 1 + 3 + 9).

914139 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 914139.

It is not an unprimeable number, because it can be changed into a prime (914131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16902 + ... + 16955.

It is an arithmetic number, because the mean of its divisors is an integer number (169290).

2914139 is an apocalyptic number.

914139 is a deficient number, since it is larger than the sum of its proper divisors (440181).

914139 is a wasteful number, since it uses less digits than its factorization.

914139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33866 (or 33860 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 914139 is about 956.1061656532. The cubic root of 914139 is about 97.0519083065.

It can be divided in two parts, 9141 and 39, that added together give a triangular number (9180 = T135).

The spelling of 914139 in words is "nine hundred fourteen thousand, one hundred thirty-nine".

Divisors: 1 3 9 27 33857 101571 304713 914139