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315333413 = 1013122113
BaseRepresentation
bin10010110010111…
…001101100100101
3210222100121010022
4102302321230211
51121211132123
651142404525
710546201253
oct2262715445
9728317108
10315333413
11151aa772a
1289730745
1350439125
142dc455d3
151ca3c1c8
hex12cb9b25

315333413 has 4 divisors (see below), whose sum is σ = 318455628. Its totient is φ = 312211200.

The previous prime is 315333409. The next prime is 315333433. The reversal of 315333413 is 314333513.

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 259113409 + 56220004 = 16097^2 + 7498^2 .

It is not a de Polignac number, because 315333413 - 22 = 315333409 is a prime.

It is a super-2 number, since 2×3153334132 = 198870322708457138, 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 (315333433) 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, 1560956 + ... + 1561157.

It is an arithmetic number, because the mean of its divisors is an integer number (79613907).

Almost surely, 2315333413 is an apocalyptic number.

It is an amenable number.

315333413 is a deficient number, since it is larger than the sum of its proper divisors (3122215).

315333413 is a wasteful number, since it uses less digits than its factorization.

315333413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122214.

The product of its digits is 4860, while the sum is 26.

The square root of 315333413 is about 17757.6297123237. The cubic root of 315333413 is about 680.6491875574.

Adding to 315333413 its reverse (314333513), we get a palindrome (629666926).

The spelling of 315333413 in words is "three hundred fifteen million, three hundred thirty-three thousand, four hundred thirteen".

Divisors: 1 101 3122113 315333413