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313469 = 1324113
BaseRepresentation
bin1001100100001111101
3120220222222
41030201331
540012334
610415125
72443622
oct1144175
9526888
10313469
111a4572
121314a5
13ac8b0
1482349
1562d2e
hex4c87d

313469 has 4 divisors (see below), whose sum is σ = 337596. Its totient is φ = 289344.

The previous prime is 313409. The next prime is 313471. The reversal of 313469 is 964313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 122500 + 190969 = 350^2 + 437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313469 is a prime.

It is a super-2 number, since 2×3134692 = 196525627922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313409) 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, 12044 + ... + 12069.

It is an arithmetic number, because the mean of its divisors is an integer number (84399).

2313469 is an apocalyptic number.

It is an amenable number.

313469 is a deficient number, since it is larger than the sum of its proper divisors (24127).

313469 is a wasteful number, since it uses less digits than its factorization.

313469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24126.

The product of its digits is 1944, while the sum is 26.

The square root of 313469 is about 559.8830234969. The cubic root of 313469 is about 67.9305085934.

The spelling of 313469 in words is "three hundred thirteen thousand, four hundred sixty-nine".

Divisors: 1 13 24113 313469