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68922641 = 1731130783
BaseRepresentation
bin1000001101110…
…10110100010001
311210200122002102
410012322310101
5120121011031
610501130145
71464555434
oct406726421
9153618072
1068922641
11359a5667
121b0b9955
1311382338
14922181b
1560b67cb
hex41bad11

68922641 has 8 divisors (see below), whose sum is σ = 75331584. Its totient is φ = 62775360.

The previous prime is 68922629. The next prime is 68922653. The reversal of 68922641 is 14622986.

It is an interprime number because it is at equal distance from previous prime (68922629) and next prime (68922653).

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 68922641 - 26 = 68922577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68922595 and 68922604.

It is not an unprimeable number, because it can be changed into a prime (68922661) 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, 64865 + ... + 65918.

It is an arithmetic number, because the mean of its divisors is an integer number (9416448).

Almost surely, 268922641 is an apocalyptic number.

It is an amenable number.

68922641 is a deficient number, since it is larger than the sum of its proper divisors (6408943).

68922641 is a wasteful number, since it uses less digits than its factorization.

68922641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130831.

The product of its digits is 41472, while the sum is 38.

The square root of 68922641 is about 8301.9660924386. The cubic root of 68922641 is about 410.0032539896.

The spelling of 68922641 in words is "sixty-eight million, nine hundred twenty-two thousand, six hundred forty-one".

Divisors: 1 17 31 527 130783 2223311 4054273 68922641