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312113070 = 23253467923
BaseRepresentation
bin10010100110100…
…111011110101110
3210202021222122100
4102212213132232
51114400104240
650545355530
710506626433
oct2246473656
9722258570
10312113070
111501a8195
1288638ba6
134c87c3b9
142d647b8a
151c602e30
hex129a77ae

312113070 has 24 divisors (see below), whose sum is σ = 811494216. Its totient is φ = 83230128.

The previous prime is 312113029. The next prime is 312113071. The reversal of 312113070 is 70311213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312113071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1733872 + ... + 1734051.

It is an arithmetic number, because the mean of its divisors is an integer number (33812259).

Almost surely, 2312113070 is an apocalyptic number.

312113070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312113070 is an abundant number, since it is smaller than the sum of its proper divisors (499381146).

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

312113070 is a wasteful number, since it uses less digits than its factorization.

312113070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467936 (or 3467933 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 312113070 is about 17666.7221068312. The cubic root of 312113070 is about 678.3242112453.

Adding to 312113070 its reverse (70311213), we get a palindrome (382424283).

The spelling of 312113070 in words is "three hundred twelve million, one hundred thirteen thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3467923 6935846 10403769 17339615 20807538 31211307 34679230 52018845 62422614 104037690 156056535 312113070