Search a number
-
+
69131383 is a prime number
BaseRepresentation
bin1000001111011…
…01110001110111
311211002020102121
410013231301313
5120144201013
610505420411
71466415136
oct407556167
9154066377
1069131383
1136028482
121b19a707
1311426359
14927791d
15610858d
hex41edc77

69131383 has 2 divisors, whose sum is σ = 69131384. Its totient is φ = 69131382.

The previous prime is 69131357. The next prime is 69131393. The reversal of 69131383 is 38313196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69131383 - 29 = 69130871 is a prime.

It is equal to p4069951 and since 69131383 and 4069951 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69131393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34565691 + 34565692.

It is an arithmetic number, because the mean of its divisors is an integer number (34565692).

Almost surely, 269131383 is an apocalyptic number.

69131383 is a deficient number, since it is larger than the sum of its proper divisors (1).

69131383 is an equidigital number, since it uses as much as digits as its factorization.

69131383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 69131383 is about 8314.5284292015. The cubic root of 69131383 is about 410.4167545031.

The spelling of 69131383 in words is "sixty-nine million, one hundred thirty-one thousand, three hundred eighty-three".