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67634085 = 354508939
BaseRepresentation
bin1000000100000…
…00001110100101
311201021011112010
410002000032211
5114303242320
610413344433
71450610631
oct402001645
9151234463
1067634085
11351a5542
121a798119
131102098c
148da7dc1
155e0eae0
hex40803a5

67634085 has 8 divisors (see below), whose sum is σ = 108214560. Its totient is φ = 36071504.

The previous prime is 67634059. The next prime is 67634093. The reversal of 67634085 is 58043676.

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 67634085 - 213 = 67625893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254455 + ... + 2254484.

It is an arithmetic number, because the mean of its divisors is an integer number (13526820).

Almost surely, 267634085 is an apocalyptic number.

It is an amenable number.

67634085 is a deficient number, since it is larger than the sum of its proper divisors (40580475).

67634085 is a wasteful number, since it uses less digits than its factorization.

67634085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508947.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 67634085 is about 8223.9944674106. The cubic root of 67634085 is about 407.4320661592.

The spelling of 67634085 in words is "sixty-seven million, six hundred thirty-four thousand, eighty-five".

Divisors: 1 3 5 15 4508939 13526817 22544695 67634085