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317248272 = 243311101661
BaseRepresentation
bin10010111010001…
…101001100010000
3211002221212211000
4102322031030100
51122203421042
651251422000
710601365035
oct2272151420
9732855730
10317248272
11153095360
128a2b4900
1350959893
14301c338c
151ccb974c
hex12e8d310

317248272 has 160 divisors (see below), whose sum is σ = 1004757120. Its totient is φ = 95040000.

The previous prime is 317248247. The next prime is 317248273. The reversal of 317248272 is 272842713.

317248272 is a `hidden beast` number, since 3 + 172 + 482 + 7 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (317248273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479622 + ... + 480282.

It is an arithmetic number, because the mean of its divisors is an integer number (6279732).

Almost surely, 2317248272 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 317248272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502378560).

317248272 is an abundant number, since it is smaller than the sum of its proper divisors (687508848).

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

317248272 is a wasteful number, since it uses less digits than its factorization.

317248272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 778 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 317248272 is about 17811.4646225402. The cubic root of 317248272 is about 682.0241532770.

The spelling of 317248272 in words is "three hundred seventeen million, two hundred forty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 88 99 101 108 132 144 176 198 202 216 264 297 303 396 404 432 528 594 606 661 792 808 909 1111 1188 1212 1322 1584 1616 1818 1983 2222 2376 2424 2644 2727 3333 3636 3966 4444 4752 4848 5288 5454 5949 6666 7271 7272 7932 8888 9999 10576 10908 11898 13332 14542 14544 15864 17776 17847 19998 21813 21816 23796 26664 29084 29997 31728 35694 39996 43626 43632 47592 53328 58168 59994 65439 66761 71388 79992 87252 95184 116336 119988 130878 133522 142776 159984 174504 196317 200283 239976 261756 267044 285552 349008 392634 400566 479952 523512 534088 600849 734371 785268 801132 1047024 1068176 1201698 1468742 1570536 1602264 1802547 2203113 2403396 2937484 3141072 3204528 3605094 4406226 4806792 5874968 6609339 7210188 8812452 9613584 11749936 13218678 14420376 17624904 19828017 26437356 28840752 35249808 39656034 52874712 79312068 105749424 158624136 317248272