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312944464 = 2472794147
BaseRepresentation
bin10010101001110…
…010011101010000
3210210212020002201
4102221302131100
51120103210324
651015252544
710516661350
oct2251623520
9723766081
10312944464
11150715898
128897a154
134cab0951
142d7c2b60
151c719444
hex12a72750

312944464 has 20 divisors (see below), whose sum is σ = 692948704. Its totient is φ = 134119008.

The previous prime is 312944419. The next prime is 312944477. The reversal of 312944464 is 464449213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396962 + ... + 1397185.

Almost surely, 2312944464 is an apocalyptic number.

It is an amenable number.

312944464 is an abundant number, since it is smaller than the sum of its proper divisors (380004240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312944464 is a wasteful number, since it uses less digits than its factorization.

312944464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794162 (or 2794156 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 312944464 is about 17690.2364031688. The cubic root of 312944464 is about 678.9259746517.

The spelling of 312944464 in words is "three hundred twelve million, nine hundred forty-four thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 2794147 5588294 11176588 19559029 22353176 39118058 44706352 78236116 156472232 312944464