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312043024 = 241723311609
BaseRepresentation
bin10010100110010…
…110011000010000
3210202011102120001
4102212112120100
51114340334044
650544055344
710506215266
oct2246263020
9722142501
10312043024
1115015a5a7
1288604554
134c856557
142d62a436
151c5dc2d4
hex12996610

312043024 has 80 divisors (see below), whose sum is σ = 689955840. Its totient is φ = 135843840.

The previous prime is 312042971. The next prime is 312043027. The reversal of 312043024 is 420340213.

It is a junction number, because it is equal to n+sod(n) for n = 312042992 and 312043010.

It is not an unprimeable number, because it can be changed into a prime (312043027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193132 + ... + 194740.

It is an arithmetic number, because the mean of its divisors is an integer number (8624448).

Almost surely, 2312043024 is an apocalyptic number.

312043024 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312043024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344977920).

312043024 is an abundant number, since it is smaller than the sum of its proper divisors (377912816).

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

312043024 is a wasteful number, since it uses less digits than its factorization.

312043024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 312043024 is about 17664.7395678510. The cubic root of 312043024 is about 678.2734631274.

Adding to 312043024 its reverse (420340213), we get a palindrome (732383237).

The spelling of 312043024 in words is "three hundred twelve million, forty-three thousand, twenty-four".

Divisors: 1 2 4 8 16 17 23 31 34 46 62 68 92 124 136 184 248 272 368 391 496 527 713 782 1054 1426 1564 1609 2108 2852 3128 3218 4216 5704 6256 6436 8432 11408 12121 12872 24242 25744 27353 37007 48484 49879 54706 74014 96968 99758 109412 148028 193936 199516 218824 296056 399032 437648 592112 629119 798064 847943 1147217 1258238 1695886 2294434 2516476 3391772 4588868 5032952 6783544 9177736 10065904 13567088 18355472 19502689 39005378 78010756 156021512 312043024