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313707072 = 2637415693
BaseRepresentation
bin10010101100101…
…100101001000000
3210212021222012110
4102230230221000
51120302111242
651043455320
710526315610
oct2254545100
9725258173
10313707072
11151096848
1289087540
134ccb9ab3
142d940a40
151c81a39c
hex12b2ca40

313707072 has 112 divisors (see below), whose sum is σ = 971897472. Its totient is φ = 87429120.

The previous prime is 313707019. The next prime is 313707089. The reversal of 313707072 is 270707313.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

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, 52258 + ... + 57950.

It is an arithmetic number, because the mean of its divisors is an integer number (8677656).

Almost surely, 2313707072 is an apocalyptic number.

313707072 is a gapful number since it is divisible by the number (32) 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 313707072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485948736).

313707072 is an abundant number, since it is smaller than the sum of its proper divisors (658190400).

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

313707072 is a wasteful number, since it uses less digits than its factorization.

313707072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756 (or 5746 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 313707072 is about 17711.7777763837. Note that the first 5 decimals coincide. The cubic root of 313707072 is about 679.4770142548.

The spelling of 313707072 in words is "three hundred thirteen million, seven hundred seven thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 41 42 48 56 64 82 84 96 112 123 164 168 192 224 246 287 328 336 448 492 574 656 672 861 984 1148 1312 1344 1722 1968 2296 2624 3444 3936 4592 5693 6888 7872 9184 11386 13776 17079 18368 22772 27552 34158 39851 45544 55104 68316 79702 91088 119553 136632 159404 182176 233413 239106 273264 318808 364352 466826 478212 546528 637616 700239 933652 956424 1093056 1275232 1400478 1633891 1867304 1912848 2550464 2800956 3267782 3734608 3825696 4901673 5601912 6535564 7469216 7651392 9803346 11203824 13071128 14938432 19606692 22407648 26142256 39213384 44815296 52284512 78426768 104569024 156853536 313707072