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317140752 = 243291371663
BaseRepresentation
bin10010111001110…
…010111100010000
3211002202102022210
4102321302330100
51122142001002
651245232120
710600436415
oct2271627420
9732672283
10317140752
111530215a5
128a262640
135091c966
143019610c
151cc9796c
hex12e72f10

317140752 has 80 divisors (see below), whose sum is σ = 854231040. Its totient is φ = 101262336.

The previous prime is 317140751. The next prime is 317140771. The reversal of 317140752 is 257041713.

It is not an unprimeable number, because it can be changed into a prime (317140751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189873 + ... + 191535.

It is an arithmetic number, because the mean of its divisors is an integer number (10677888).

Almost surely, 2317140752 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 317140752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427115520).

317140752 is an abundant number, since it is smaller than the sum of its proper divisors (537090288).

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

317140752 is a wasteful number, since it uses less digits than its factorization.

317140752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1834 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 317140752 is about 17808.4460860570. The cubic root of 317140752 is about 681.9470953076.

The spelling of 317140752 in words is "three hundred seventeen million, one hundred forty thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 137 174 232 274 348 411 464 548 696 822 1096 1392 1644 1663 2192 3288 3326 3973 4989 6576 6652 7946 9978 11919 13304 15892 19956 23838 26608 31784 39912 47676 48227 63568 79824 95352 96454 144681 190704 192908 227831 289362 385816 455662 578724 683493 771632 911324 1157448 1366986 1822648 2314896 2733972 3645296 5467944 6607099 10935888 13214198 19821297 26428396 39642594 52856792 79285188 105713584 158570376 317140752