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312250044 = 22326020837
BaseRepresentation
bin10010100111001…
…000111010111100
3210202112221112110
4102213020322330
51114414000134
650552334020
710511036661
oct2247107274
9722487473
10312250044
11150291097
12886a4310
134c8c9852
142d681a68
151c62d7e9
hex129c8ebc

312250044 has 12 divisors (see below), whose sum is σ = 728583464. Its totient is φ = 104083344.

The previous prime is 312250039. The next prime is 312250063. The reversal of 312250044 is 440052213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×3122500443 (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312250044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13010407 + ... + 13010430.

Almost surely, 2312250044 is an apocalyptic number.

It is an amenable number.

312250044 is an abundant number, since it is smaller than the sum of its proper divisors (416333420).

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

312250044 is a wasteful number, since it uses less digits than its factorization.

312250044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26020844 (or 26020842 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 312250044 is about 17670.5982920783. The cubic root of 312250044 is about 678.4234265627.

The spelling of 312250044 in words is "three hundred twelve million, two hundred fifty thousand, forty-four".

Divisors: 1 2 3 4 6 12 26020837 52041674 78062511 104083348 156125022 312250044