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312844064 = 251317311427
BaseRepresentation
bin10010101001011…
…001111100100000
3210210200010101012
4102221121330200
51120042002224
651013200052
710516062551
oct2251317440
9723603335
10312844064
11150657415
1288930028
134ca77040
142d798328
151c6e980e
hex12a59f20

312844064 has 96 divisors (see below), whose sum is σ = 725469696. Its totient is φ = 131420160.

The previous prime is 312844043. The next prime is 312844073. The reversal of 312844064 is 460448213.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 312844064.

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 15 ways as a sum of consecutive naturals, for example, 218519 + ... + 219945.

It is an arithmetic number, because the mean of its divisors is an integer number (7556976).

Almost surely, 2312844064 is an apocalyptic number.

312844064 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 312844064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362734848).

312844064 is an abundant number, since it is smaller than the sum of its proper divisors (412625632).

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

312844064 is a wasteful number, since it uses less digits than its factorization.

312844064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 312844064 is about 17687.3984520053. The cubic root of 312844064 is about 678.8533617053.

The spelling of 312844064 in words is "three hundred twelve million, eight hundred forty-four thousand, sixty-four".

Divisors: 1 2 4 8 13 16 17 26 31 32 34 52 62 68 104 124 136 208 221 248 272 403 416 442 496 527 544 806 884 992 1054 1427 1612 1768 2108 2854 3224 3536 4216 5708 6448 6851 7072 8432 11416 12896 13702 16864 18551 22832 24259 27404 37102 44237 45664 48518 54808 74204 88474 97036 109616 148408 176948 194072 219232 296816 315367 353896 388144 575081 593632 630734 707792 752029 776288 1150162 1261468 1415584 1504058 2300324 2522936 3008116 4600648 5045872 6016232 9201296 9776377 10091744 12032464 18402592 19552754 24064928 39105508 78211016 156422032 312844064