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67104271 = 1323224429
BaseRepresentation
bin1111111111111…
…0111000001111
311200021020202101
43333332320033
5114134314041
610354135531
71443243163
oct377767017
9150236671
1067104271
1134973483
121a5815a7
1310b96790
148caaca3
155d57b31
hex3ffee0f

67104271 has 8 divisors (see below), whose sum is σ = 75408480. Its totient is φ = 59248992.

The previous prime is 67104263. The next prime is 67104277. The reversal of 67104271 is 17240176.

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 67104271 - 23 = 67104263 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 (67104277) 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, 111916 + ... + 112513.

It is an arithmetic number, because the mean of its divisors is an integer number (9426060).

Almost surely, 267104271 is an apocalyptic number.

67104271 is a deficient number, since it is larger than the sum of its proper divisors (8304209).

67104271 is a wasteful number, since it uses less digits than its factorization.

67104271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224465.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 67104271 is about 8191.7196607306. The cubic root of 67104271 is about 406.3653981916.

The spelling of 67104271 in words is "sixty-seven million, one hundred four thousand, two hundred seventy-one".

Divisors: 1 13 23 299 224429 2917577 5161867 67104271