Search a number
-
+
67906774 = 2132611799
BaseRepresentation
bin1000000110000…
…10110011010110
311201210000120201
410003002303112
5114341004044
610423251114
71453124635
oct403026326
9151700521
1067906774
1135371401
121a8a9a9a
13110b7b30
14903951c
155e657d4
hex40c2cd6

67906774 has 8 divisors (see below), whose sum is σ = 109695600. Its totient is φ = 31341576.

The previous prime is 67906759. The next prime is 67906781. The reversal of 67906774 is 47760976.

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

It is a super-2 number, since 2×679067742 = 9222659910174152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305874 + ... + 1305925.

It is an arithmetic number, because the mean of its divisors is an integer number (13711950).

Almost surely, 267906774 is an apocalyptic number.

67906774 is a deficient number, since it is larger than the sum of its proper divisors (41788826).

67906774 is a wasteful number, since it uses less digits than its factorization.

67906774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611814.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 67906774 is about 8240.5566559547. The cubic root of 67906774 is about 407.9788972489.

The spelling of 67906774 in words is "sixty-seven million, nine hundred six thousand, seven hundred seventy-four".

Divisors: 1 2 13 26 2611799 5223598 33953387 67906774