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312901368 = 233134383281
BaseRepresentation
bin10010101001100…
…111111011111000
3210210210000222120
4102221213323320
51120100320433
651014321240
710516421613
oct2251477370
9723700876
10312901368
1115069647a
1288959220
134ca97150
142d7b117a
151c70b7b3
hex12a67ef8

312901368 has 128 divisors (see below), whose sum is σ = 875508480. Its totient is φ = 92574720.

The previous prime is 312901363. The next prime is 312901373. The reversal of 312901368 is 863109213.

It is an interprime number because it is at equal distance from previous prime (312901363) and next prime (312901373).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312901363) 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 31 ways as a sum of consecutive naturals, for example, 1113388 + ... + 1113668.

It is an arithmetic number, because the mean of its divisors is an integer number (6839910).

Almost surely, 2312901368 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 312901368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437754240).

312901368 is an abundant number, since it is smaller than the sum of its proper divisors (562607112).

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

312901368 is a wasteful number, since it uses less digits than its factorization.

312901368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 312901368 is about 17689.0182881923. The cubic root of 312901368 is about 678.8948079535.

The spelling of 312901368 in words is "three hundred twelve million, nine hundred one thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 43 52 78 83 86 104 129 156 166 172 249 258 281 312 332 344 498 516 559 562 664 843 996 1032 1079 1118 1124 1677 1686 1992 2158 2236 2248 3237 3354 3372 3569 3653 4316 4472 6474 6708 6744 7138 7306 8632 10707 10959 12083 12948 13416 14276 14612 21414 21918 23323 24166 25896 28552 29224 36249 42828 43836 46397 46646 48332 69969 72498 85656 87672 92794 93292 96664 139191 139938 144996 157079 185588 186584 278382 279876 289992 303199 314158 371176 471237 556764 559752 606398 628316 909597 942474 1002889 1113528 1212796 1256632 1819194 1884948 2005778 2425592 3008667 3638388 3769896 4011556 6017334 7276776 8023112 12034668 13037557 24069336 26075114 39112671 52150228 78225342 104300456 156450684 312901368