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968720400 = 243252269089
BaseRepresentation
bin111001101111011…
…000000000010000
32111111211002120100
4321233120000100
53440443023100
6240043012400
733001662504
oct7157300020
92444732510
10968720400
114578a9a7a
1223050a100
1312590794b
1492928304
155a0a3400
hex39bd8010

968720400 has 90 divisors (see below), whose sum is σ = 3361741370. Its totient is φ = 258324480.

The previous prime is 968720399. The next prime is 968720413. The reversal of 968720400 is 4027869.

It can be written as a sum of positive squares in 3 ways, for example, as 175509504 + 793210896 = 13248^2 + 28164^2 .

It is a tau number, because it is divible by the number of its divisors (90).

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 130945 + ... + 138144.

Almost surely, 2968720400 is an apocalyptic number.

968720400 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

968720400 is an abundant number, since it is smaller than the sum of its proper divisors (2393020970).

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

968720400 is a wasteful number, since it uses less digits than its factorization.

968720400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269113 (or 269099 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 968720400 is about 31124.2734854968. The cubic root of 968720400 is about 989.4628245891.

The spelling of 968720400 in words is "nine hundred sixty-eight million, seven hundred twenty thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 144 150 180 200 225 240 300 360 400 450 600 720 900 1200 1800 3600 269089 538178 807267 1076356 1345445 1614534 2152712 2421801 2690890 3229068 4036335 4305424 4843602 5381780 6458136 6727225 8072670 9687204 10763560 12109005 12916272 13454450 16145340 19374408 20181675 21527120 24218010 26908900 32290680 38748816 40363350 48436020 53817800 60545025 64581360 80726700 96872040 107635600 121090050 161453400 193744080 242180100 322906800 484360200 968720400