Search a number
-
+
68956067 = 147146877
BaseRepresentation
bin1000001110000…
…10111110100011
311210202022221102
410013002332203
5120123043232
610501545015
71465055045
oct407027643
9153668842
1068956067
1135a18794
121b11516b
131139460b
14922da95
1560c1662
hex41c2fa3

68956067 has 4 divisors (see below), whose sum is σ = 69004416. Its totient is φ = 68907720.

The previous prime is 68956057. The next prime is 68956099. The reversal of 68956067 is 76065986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68956067 - 214 = 68939683 is a prime.

It is a super-2 number, since 2×689560672 = 9509878352216978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68956037) 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 3 ways as a sum of consecutive naturals, for example, 21968 + ... + 24909.

It is an arithmetic number, because the mean of its divisors is an integer number (17251104).

Almost surely, 268956067 is an apocalyptic number.

68956067 is a deficient number, since it is larger than the sum of its proper divisors (48349).

68956067 is a wasteful number, since it uses less digits than its factorization.

68956067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48348.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 68956067 is about 8303.9789860042. The cubic root of 68956067 is about 410.0695242005.

The spelling of 68956067 in words is "sixty-eight million, nine hundred fifty-six thousand, sixty-seven".

Divisors: 1 1471 46877 68956067