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469139 = 1142649
BaseRepresentation
bin1110010100010010011
3212211112112
41302202103
5110003024
614015535
73662516
oct1624223
9784475
10469139
112a0520
121a75ab
131356c8
14c2d7d
159400e
hex72893

469139 has 4 divisors (see below), whose sum is σ = 511800. Its totient is φ = 426480.

The previous prime is 469127. The next prime is 469141. The reversal of 469139 is 931964.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 469139 - 28 = 468883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21314 + ... + 21335.

It is an arithmetic number, because the mean of its divisors is an integer number (127950).

2469139 is an apocalyptic number.

469139 is a deficient number, since it is larger than the sum of its proper divisors (42661).

469139 is a wasteful number, since it uses less digits than its factorization.

469139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42660.

The product of its digits is 5832, while the sum is 32.

The square root of 469139 is about 684.9372234008. The cubic root of 469139 is about 77.7022949465.

The spelling of 469139 in words is "four hundred sixty-nine thousand, one hundred thirty-nine".

Divisors: 1 11 42649 469139