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67984082 = 279430279
BaseRepresentation
bin1000000110101…
…01101011010010
311201220221121222
410003111223102
5114400442312
610425045042
71453566215
oct403255322
9151827558
1067984082
11354144a1
121a926782
131111408a
14905977c
155e7d672
hex40d5ad2

67984082 has 8 divisors (see below), whose sum is σ = 103267200. Its totient is φ = 33561684.

The previous prime is 67984079. The next prime is 67984087. The reversal of 67984082 is 28048976.

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

It is not an unprimeable number, because it can be changed into a prime (67984087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214982 + ... + 215297.

It is an arithmetic number, because the mean of its divisors is an integer number (12908400).

Almost surely, 267984082 is an apocalyptic number.

67984082 is a deficient number, since it is larger than the sum of its proper divisors (35283118).

67984082 is a wasteful number, since it uses less digits than its factorization.

67984082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430360.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 67984082 is about 8245.2460242251. The cubic root of 67984082 is about 408.1336587916.

The spelling of 67984082 in words is "sixty-seven million, nine hundred eighty-four thousand, eighty-two".

Divisors: 1 2 79 158 430279 860558 33992041 67984082