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68904414 = 2323828023
BaseRepresentation
bin1000001101101…
…10010111011110
311210122201002100
410012312113132
5120114420124
610500505530
71464451335
oct406662736
9153581070
1068904414
11359929a7
121b0ab2a6
1311376c57
149218d1c
1560b11c9
hex41b65de

68904414 has 12 divisors (see below), whose sum is σ = 149292936. Its totient is φ = 22968132.

The previous prime is 68904373. The next prime is 68904421. The reversal of 68904414 is 41440986.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1913994 + ... + 1914029.

It is an arithmetic number, because the mean of its divisors is an integer number (12441078).

Almost surely, 268904414 is an apocalyptic number.

68904414 is an abundant number, since it is smaller than the sum of its proper divisors (80388522).

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

68904414 is a wasteful number, since it uses less digits than its factorization.

68904414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828031 (or 3828028 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 68904414 is about 8300.8682678380. The cubic root of 68904414 is about 409.9671082081.

The spelling of 68904414 in words is "sixty-eight million, nine hundred four thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 3828023 7656046 11484069 22968138 34452207 68904414