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312947376 = 24374312161
BaseRepresentation
bin10010101001110…
…011001010110000
3210210212101002120
4102221303022300
51120103304001
651015314240
710520003010
oct2251631260
9723771076
10312947376
11150717aa5
128897b980
134cab2081
142d7c3c40
151c71a236
hex12a732b0

312947376 has 80 divisors (see below), whose sum is σ = 926512128. Its totient is φ = 89164800.

The previous prime is 312947363. The next prime is 312947413. The reversal of 312947376 is 673749213.

312947376 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 143736 + ... + 145896.

Almost surely, 2312947376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312947376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463256064).

312947376 is an abundant number, since it is smaller than the sum of its proper divisors (613564752).

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

312947376 is a wasteful number, since it uses less digits than its factorization.

312947376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610 (or 2604 counting only the distinct ones).

The product of its digits is 190512, while the sum is 42.

The square root of 312947376 is about 17690.3187082653. The cubic root of 312947376 is about 678.9280804846.

It can be divided in two parts, 3129 and 47376, that added together give a palindrome (50505).

The spelling of 312947376 in words is "three hundred twelve million, nine hundred forty-seven thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 431 862 1293 1724 2161 2586 3017 3448 4322 5172 6034 6483 6896 8644 9051 10344 12068 12966 15127 17288 18102 20688 24136 25932 30254 34576 36204 45381 48272 51864 60508 72408 90762 103728 121016 144816 181524 242032 363048 726096 931391 1862782 2794173 3725564 5588346 6519737 7451128 11176692 13039474 14902256 19559211 22353384 26078948 39118422 44706768 52157896 78236844 104315792 156473688 312947376