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312112150 = 2527891749
BaseRepresentation
bin10010100110100…
…111010000010110
3210202021221101021
4102212213100112
51114400042100
650545351354
710506623650
oct2246472026
9722257337
10312112150
111501a7529
128863855a
134c87bb5c
142d6476d0
151c602a1a
hex129a7416

312112150 has 24 divisors (see below), whose sum is σ = 663462000. Its totient is φ = 107009760.

The previous prime is 312112109. The next prime is 312112159. The reversal of 312112150 is 51211213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312112159) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 445525 + ... + 446224.

It is an arithmetic number, because the mean of its divisors is an integer number (27644250).

Almost surely, 2312112150 is an apocalyptic number.

312112150 is an abundant number, since it is smaller than the sum of its proper divisors (351349850).

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

312112150 is a wasteful number, since it uses less digits than its factorization.

312112150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891768 (or 891763 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 312112150 is about 17666.6960691579. The cubic root of 312112150 is about 678.3235447572.

Adding to 312112150 its reverse (51211213), we get a palindrome (363323363).

The spelling of 312112150 in words is "three hundred twelve million, one hundred twelve thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 891749 1783498 4458745 6242243 8917490 12484486 22293725 31211215 44587450 62422430 156056075 312112150