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68873619 = 359938327
BaseRepresentation
bin1000001101011…
…10110110010011
311210121010211210
410012232312103
5120112423434
610500111203
71464262503
oct406566623
9153533753
1068873619
1135971851
121b095503
1311365c29
14920ba03
1560a6ee9
hex41aed93

68873619 has 8 divisors (see below), whose sum is σ = 91987200. Its totient is φ = 45837896.

The previous prime is 68873593. The next prime is 68873633. The reversal of 68873619 is 91637886.

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

It is a cyclic number.

It is not a de Polignac number, because 68873619 - 27 = 68873491 is a prime.

It is a super-2 number, since 2×688736192 = 9487150788314322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68873669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17367 + ... + 20960.

It is an arithmetic number, because the mean of its divisors is an integer number (11498400).

Almost surely, 268873619 is an apocalyptic number.

68873619 is a deficient number, since it is larger than the sum of its proper divisors (23113581).

68873619 is a wasteful number, since it uses less digits than its factorization.

68873619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38929.

The product of its digits is 435456, while the sum is 48.

The square root of 68873619 is about 8299.0131341022. The cubic root of 68873619 is about 409.9060244660.

The spelling of 68873619 in words is "sixty-eight million, eight hundred seventy-three thousand, six hundred nineteen".

Divisors: 1 3 599 1797 38327 114981 22957873 68873619