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67391034 = 2314937523
BaseRepresentation
bin1000000010001…
…00111000111010
311200210211010020
410001010320322
5114223003114
610404231310
71445546214
oct401047072
9150724106
1067391034
1135049977
121a69b536
1310c67169
148d435b4
155db2aa9
hex4044e3a

67391034 has 16 divisors (see below), whose sum is σ = 134890272. Its totient is φ = 22445648.

The previous prime is 67391033. The next prime is 67391047. The reversal of 67391034 is 43019376.

It is a junction number, because it is equal to n+sod(n) for n = 67390986 and 67391004.

It is not an unprimeable number, because it can be changed into a prime (67391033) 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, 5197 + ... + 12719.

It is an arithmetic number, because the mean of its divisors is an integer number (8430642).

Almost surely, 267391034 is an apocalyptic number.

67391034 is an abundant number, since it is smaller than the sum of its proper divisors (67499238).

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

67391034 is a wasteful number, since it uses less digits than its factorization.

67391034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9021.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 67391034 is about 8209.2042245275. The cubic root of 67391034 is about 406.9434287612.

The spelling of 67391034 in words is "sixty-seven million, three hundred ninety-one thousand, thirty-four".

Divisors: 1 2 3 6 1493 2986 4479 7523 8958 15046 22569 45138 11231839 22463678 33695517 67391034