Search a number
-
+
67968474 = 2375932729
BaseRepresentation
bin1000000110100…
…01110111011010
311201220011012220
410003101313122
5114344442344
610424444510
71453502550
oct403216732
9151804186
1067968474
11354037a2
121a919736
1311109c42
149053bd0
155e78c19
hex40d1dda

67968474 has 32 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 19379712.

The previous prime is 67968469. The next prime is 67968479. The reversal of 67968474 is 47486976.

It is an interprime number because it is at equal distance from previous prime (67968469) and next prime (67968479).

It is not an unprimeable number, because it can be changed into a prime (67968479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23542 + ... + 26270.

It is an arithmetic number, because the mean of its divisors is an integer number (4864860).

Almost surely, 267968474 is an apocalyptic number.

67968474 is an abundant number, since it is smaller than the sum of its proper divisors (87707046).

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

67968474 is a wasteful number, since it uses less digits than its factorization.

67968474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334.

The product of its digits is 2032128, while the sum is 51.

The square root of 67968474 is about 8244.2994850988. The cubic root of 67968474 is about 408.1024228634.

The spelling of 67968474 in words is "sixty-seven million, nine hundred sixty-eight thousand, four hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 593 1186 1779 2729 3558 4151 5458 8187 8302 12453 16374 19103 24906 38206 57309 114618 1618297 3236594 4854891 9709782 11328079 22656158 33984237 67968474