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313560040 = 235193113309
BaseRepresentation
bin10010101100001…
…000101111101000
3210212000111111211
4102230020233220
51120232410130
651040402504
710525134133
oct2254105750
9725014454
10313560040
11150aa6332
1289016434
134cc67bb1
142d90321a
151c7dba2a
hex12b08be8

313560040 has 64 divisors (see below), whose sum is σ = 766656000. Its totient is φ = 114981120.

The previous prime is 313560011. The next prime is 313560041. The reversal of 313560040 is 40065313.

It is a junction number, because it is equal to n+sod(n) for n = 313559993 and 313560020.

It is not an unprimeable number, because it can be changed into a prime (313560041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16906 + ... + 30214.

It is an arithmetic number, because the mean of its divisors is an integer number (11979000).

Almost surely, 2313560040 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 313560040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383328000).

313560040 is an abundant number, since it is smaller than the sum of its proper divisors (453095960).

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

313560040 is a wasteful number, since it uses less digits than its factorization.

313560040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13370 (or 13366 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 313560040 is about 17707.6266055053. The cubic root of 313560040 is about 679.3708425153.

The spelling of 313560040 in words is "three hundred thirteen million, five hundred sixty thousand, forty".

Divisors: 1 2 4 5 8 10 19 20 31 38 40 62 76 95 124 152 155 190 248 310 380 589 620 760 1178 1240 2356 2945 4712 5890 11780 13309 23560 26618 53236 66545 106472 133090 252871 266180 412579 505742 532360 825158 1011484 1264355 1650316 2022968 2062895 2528710 3300632 4125790 5057420 7839001 8251580 10114840 15678002 16503160 31356004 39195005 62712008 78390010 156780020 313560040