Search a number
-
+
34869391 is a prime number
BaseRepresentation
bin1000010100000…
…1000010001111
32102121112210221
42011001002033
532411310031
63243212211
7602246014
oct205010217
972545727
1034869391
1118756987
12b817067
1372bb49b
1448b970b
1530dba11
hex214108f

34869391 has 2 divisors, whose sum is σ = 34869392. Its totient is φ = 34869390.

The previous prime is 34869371. The next prime is 34869407. The reversal of 34869391 is 19396843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34869391 - 29 = 34868879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34869301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17434695 + 17434696.

It is an arithmetic number, because the mean of its divisors is an integer number (17434696).

Almost surely, 234869391 is an apocalyptic number.

34869391 is a deficient number, since it is larger than the sum of its proper divisors (1).

34869391 is an equidigital number, since it uses as much as digits as its factorization.

34869391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 34869391 is about 5905.0309906045. The cubic root of 34869391 is about 326.6992374623.

The spelling of 34869391 in words is "thirty-four million, eight hundred sixty-nine thousand, three hundred ninety-one".