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312504768 = 26321513593
BaseRepresentation
bin10010101000000…
…111000111000000
3210210000212221200
4102220013013000
51120000123033
651002021200
710513150422
oct2250070700
9723025850
10312504768
11150445504
12887a7800
134c988784
142d70a812
151c67e013
hex12a071c0

312504768 has 84 divisors (see below), whose sum is σ = 901921488. Its totient is φ = 103449600.

The previous prime is 312504767. The next prime is 312504791. The reversal of 312504768 is 867405213.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312504763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85180 + ... + 88772.

Almost surely, 2312504768 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 312504768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450960744).

312504768 is an abundant number, since it is smaller than the sum of its proper divisors (589416720).

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

312504768 is a wasteful number, since it uses less digits than its factorization.

312504768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762 (or 3749 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 312504768 is about 17677.8043885546. The cubic root of 312504768 is about 678.6078554227.

The spelling of 312504768 in words is "three hundred twelve million, five hundred four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 151 192 288 302 453 576 604 906 1208 1359 1812 2416 2718 3593 3624 4832 5436 7186 7248 9664 10779 10872 14372 14496 21558 21744 28744 28992 32337 43116 43488 57488 64674 86232 86976 114976 129348 172464 229952 258696 344928 517392 542543 689856 1034784 1085086 1627629 2069568 2170172 3255258 4340344 4882887 6510516 8680688 9765774 13021032 17361376 19531548 26042064 34722752 39063096 52084128 78126192 104168256 156252384 312504768