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315668000 = 2553531489
BaseRepresentation
bin10010110100001…
…011011000100000
3210222222121002102
4102310023120200
51121302334000
651153505532
710552063604
oct2264133040
9728877072
10315668000
1115220604a
12898722a8
13505254cb
142dcd1504
151caa63d5
hex12d0b620

315668000 has 96 divisors (see below), whose sum is σ = 790760880. Its totient is φ = 123801600.

The previous prime is 315667997. The next prime is 315668029. The reversal of 315668000 is 866513.

It can be written as a sum of positive squares in 8 ways, for example, as 6330256 + 309337744 = 2516^2 + 17588^2 .

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, 211256 + ... + 212744.

Almost surely, 2315668000 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 315668000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395380440).

315668000 is an abundant number, since it is smaller than the sum of its proper divisors (475092880).

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

315668000 is a wasteful number, since it uses less digits than its factorization.

315668000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 315668000 is about 17767.0481510013. The cubic root of 315668000 is about 680.8898385220.

The spelling of 315668000 in words is "three hundred fifteen million, six hundred sixty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 53 80 100 106 125 160 200 212 250 265 400 424 500 530 800 848 1000 1060 1325 1489 1696 2000 2120 2650 2978 4000 4240 5300 5956 6625 7445 8480 10600 11912 13250 14890 21200 23824 26500 29780 37225 42400 47648 53000 59560 74450 78917 106000 119120 148900 157834 186125 212000 238240 297800 315668 372250 394585 595600 631336 744500 789170 1191200 1262672 1489000 1578340 1972925 2525344 2978000 3156680 3945850 5956000 6313360 7891700 9864625 12626720 15783400 19729250 31566800 39458500 63133600 78917000 157834000 315668000