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313835920 = 245192347191
BaseRepresentation
bin10010101101001…
…100000110010000
3210212112111221121
4102231030012100
51120320222140
651050332024
710530363346
oct2255140620
9725474847
10313835920
11151174632
128912a014
1350033638
142d975996
151c84364a
hex12b4c190

313835920 has 160 divisors (see below), whose sum is σ = 822804480. Its totient is φ = 110753280.

The previous prime is 313835903. The next prime is 313836011. The reversal of 313835920 is 29538313.

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 31 ways as a sum of consecutive naturals, for example, 1643025 + ... + 1643215.

It is an arithmetic number, because the mean of its divisors is an integer number (5142528).

Almost surely, 2313835920 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 313835920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411402240).

313835920 is an abundant number, since it is smaller than the sum of its proper divisors (508968560).

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

313835920 is a wasteful number, since it uses less digits than its factorization.

313835920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 313835920 is about 17715.4147566463. The cubic root of 313835920 is about 679.5700280657.

The spelling of 313835920 in words is "three hundred thirteen million, eight hundred thirty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 23 38 40 46 47 76 80 92 94 95 115 152 184 188 190 191 230 235 304 368 376 380 382 437 460 470 752 760 764 874 893 920 940 955 1081 1520 1528 1748 1786 1840 1880 1910 2162 2185 3056 3496 3572 3629 3760 3820 4324 4370 4393 4465 5405 6992 7144 7258 7640 8648 8740 8786 8930 8977 10810 14288 14516 15280 17296 17480 17572 17860 17954 18145 20539 21620 21965 29032 34960 35144 35720 35908 36290 41078 43240 43930 44885 58064 70288 71440 71816 72580 82156 83467 86480 87860 89770 102695 143632 145160 164312 166934 170563 175720 179540 205390 206471 290320 328624 333868 341126 351440 359080 410780 412942 417335 667736 682252 718160 821560 825884 834670 852815 1032355 1335472 1364504 1643120 1651768 1669340 1705630 2064710 2729008 3303536 3338680 3411260 3922949 4129420 6677360 6822520 7845898 8258840 13645040 15691796 16517680 19614745 31383592 39229490 62767184 78458980 156917960 313835920