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68846997 = 322948999
BaseRepresentation
bin1000001101010…
…00010110010101
311210112210022210
410012220112111
5120111100442
610455344033
71464122052
oct406502625
9153483283
1068846997
113595384a
121b082019
1311356a8b
149202029
15609e19c
hex41a8595

68846997 has 4 divisors (see below), whose sum is σ = 91796000. Its totient is φ = 45897996.

The previous prime is 68846941. The next prime is 68847019. The reversal of 68846997 is 79964886.

68846997 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68846997 - 26 = 68846933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68846927) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11474497 + ... + 11474502.

It is an arithmetic number, because the mean of its divisors is an integer number (22949000).

Almost surely, 268846997 is an apocalyptic number.

It is an amenable number.

68846997 is a deficient number, since it is larger than the sum of its proper divisors (22949003).

68846997 is a wasteful number, since it uses less digits than its factorization.

68846997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22949002.

The product of its digits is 5225472, while the sum is 57.

The square root of 68846997 is about 8297.4090534335. The cubic root of 68846997 is about 409.8532034456.

The spelling of 68846997 in words is "sixty-eight million, eight hundred forty-six thousand, nine hundred ninety-seven".

Divisors: 1 3 22948999 68846997