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9999968 = 251128409
BaseRepresentation
bin100110001001…
…011001100000
3200211001101012
4212021121200
510024444333
6554200052
7150666266
oct46113140
920731335
109999968
115710140
123423028
1320c1854
141484436
15d27e48
hex989660

9999968 has 24 divisors (see below), whose sum is σ = 21477960. Its totient is φ = 4545280.

The previous prime is 9999943. The next prime is 9999971. The reversal of 9999968 is 8699999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13853 + ... + 14556.

It is an arithmetic number, because the mean of its divisors is an integer number (894915).

Almost surely, 29999968 is an apocalyptic number.

It is an amenable number.

9999968 is an abundant number, since it is smaller than the sum of its proper divisors (11477992).

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

9999968 is a wasteful number, since it uses less digits than its factorization.

9999968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28430 (or 28422 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 59.

The square root of 9999968 is about 3162.2726005201. The cubic root of 9999968 is about 215.4432391966.

The spelling of 9999968 in words is "nine million, nine hundred ninety-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 28409 56818 113636 227272 312499 454544 624998 909088 1249996 2499992 4999984 9999968