Search a number
-
+
69426713 = 181383573
BaseRepresentation
bin1000010001101…
…01111000011001
311211122020112202
410020311320121
5120233123323
610520015545
71502055146
oct410657031
9154566482
1069426713
113620a354
121b3015b5
13114ca8c5
1493133cd
156165d28
hex4235e19

69426713 has 4 divisors (see below), whose sum is σ = 69810468. Its totient is φ = 69042960.

The previous prime is 69426697. The next prime is 69426733. The reversal of 69426713 is 31762496.

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

It can be written as a sum of positive squares in 2 ways, for example, as 652864 + 68773849 = 808^2 + 8293^2 .

It is a cyclic number.

It is not a de Polignac number, because 69426713 - 24 = 69426697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69426733) 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, 191606 + ... + 191967.

It is an arithmetic number, because the mean of its divisors is an integer number (17452617).

Almost surely, 269426713 is an apocalyptic number.

It is an amenable number.

69426713 is a deficient number, since it is larger than the sum of its proper divisors (383755).

69426713 is a wasteful number, since it uses less digits than its factorization.

69426713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383754.

The product of its digits is 54432, while the sum is 38.

The square root of 69426713 is about 8332.2693787467. The cubic root of 69426713 is about 411.0003591419. Note that the first 3 decimals are identical.

The spelling of 69426713 in words is "sixty-nine million, four hundred twenty-six thousand, seven hundred thirteen".

Divisors: 1 181 383573 69426713