Search a number
-
+
622425957 = 31291160709
BaseRepresentation
bin100101000110010…
…111011101100101
31121101012111220020
4211012113131211
52233320112312
6141432425353
721265350636
oct4506273545
91541174806
10622425957
1129a38591a
12154548259
139bc4b2aa
145c94388d
153999c78c
hex25197765

622425957 has 8 divisors (see below), whose sum is σ = 830549280. Its totient is φ = 414626640.

The previous prime is 622425953. The next prime is 622426001. The reversal of 622425957 is 759524226.

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

It is not a de Polignac number, because 622425957 - 22 = 622425953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622425953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76482 + ... + 84227.

It is an arithmetic number, because the mean of its divisors is an integer number (103818660).

Almost surely, 2622425957 is an apocalyptic number.

It is an amenable number.

622425957 is a deficient number, since it is larger than the sum of its proper divisors (208123323).

622425957 is a wasteful number, since it uses less digits than its factorization.

622425957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162003.

The product of its digits is 302400, while the sum is 42.

The square root of 622425957 is about 24948.4660249884. The cubic root of 622425957 is about 853.8126111969.

The spelling of 622425957 in words is "six hundred twenty-two million, four hundred twenty-five thousand, nine hundred fifty-seven".

Divisors: 1 3 1291 3873 160709 482127 207475319 622425957