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68999046 = 2311499841
BaseRepresentation
bin1000001110011…
…01011110000110
311210211111220020
410013031132012
5120130432141
610502520010
71465324254
oct407153606
9153744806
1068999046
1135a48006
121b136006
13113ab04c
1492415d4
1560ce266
hex41cd786

68999046 has 8 divisors (see below), whose sum is σ = 137998104. Its totient is φ = 22999680.

The previous prime is 68999017. The next prime is 68999093. The reversal of 68999046 is 64099986.

It is a sphenic number, since it is the product of 3 distinct primes.

68999046 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 68999046.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5749915 + ... + 5749926.

It is an arithmetic number, because the mean of its divisors is an integer number (17249763).

Almost surely, 268999046 is an apocalyptic number.

68999046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68999046 is a wasteful number, since it uses less digits than its factorization.

68999046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11499846.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 68999046 is about 8306.5664386677. The cubic root of 68999046 is about 410.1547026746.

The spelling of 68999046 in words is "sixty-eight million, nine hundred ninety-nine thousand, forty-six".

Divisors: 1 2 3 6 11499841 22999682 34499523 68999046