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312945360 = 243572132389
BaseRepresentation
bin10010101001110…
…010101011010000
3210210212021022220
4102221302223100
51120103222420
651015301040
710516664100
oct2251625320
9723767286
10312945360
11150716532
128897a780
134cab1190
142d7c3200
151c719840
hex12a72ad0

312945360 has 480 divisors, whose sum is σ = 1282417920. Its totient is φ = 62447616.

The previous prime is 312945349. The next prime is 312945421. The reversal of 312945360 is 63549213.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 3516196 + ... + 3516284.

It is an arithmetic number, because the mean of its divisors is an integer number (2671704).

Almost surely, 2312945360 is an apocalyptic number.

312945360 is a gapful number since it is divisible by the number (30) 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 312945360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641208960).

312945360 is an abundant number, since it is smaller than the sum of its proper divisors (969472560).

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

312945360 is a wasteful number, since it uses less digits than its factorization.

312945360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 312945360 is about 17690.2617278547. The cubic root of 312945360 is about 678.9266226017.

The spelling of 312945360 in words is "three hundred twelve million, nine hundred forty-five thousand, three hundred sixty".