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68948499 = 322982833
BaseRepresentation
bin1000001110000…
…01001000010011
311210201221120010
410013001020103
5120122322444
610501450003
71465024014
oct407011023
9153657503
1068948499
1135a13034
121b110903
1311391039
14922b00b
1560be2b9
hex41c1213

68948499 has 4 divisors (see below), whose sum is σ = 91931336. Its totient is φ = 45965664.

The previous prime is 68948497. The next prime is 68948513. The reversal of 68948499 is 99484986.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68948499 - 21 = 68948497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68948491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11491414 + ... + 11491419.

It is an arithmetic number, because the mean of its divisors is an integer number (22982834).

Almost surely, 268948499 is an apocalyptic number.

68948499 is a deficient number, since it is larger than the sum of its proper divisors (22982837).

68948499 is a wasteful number, since it uses less digits than its factorization.

68948499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22982836.

The product of its digits is 4478976, while the sum is 57.

The square root of 68948499 is about 8303.5232883397. The cubic root of 68948499 is about 410.0545217995.

The spelling of 68948499 in words is "sixty-eight million, nine hundred forty-eight thousand, four hundred ninety-nine".

Divisors: 1 3 22982833 68948499