Search a number
-
+
6475090431 = 32158363477
BaseRepresentation
bin1100000011111001…
…00000100111111111
3121201021000200020010
412001330200213333
5101230110343211
62550303354303
7316313234445
oct60174404777
917637020203
106475090431
112823024307
1213085b2993
137c263bb74
14455d5cb95
1527d6d04a6
hex181f209ff

6475090431 has 4 divisors (see below), whose sum is σ = 8633453912. Its totient is φ = 4316726952.

The previous prime is 6475090429. The next prime is 6475090463. The reversal of 6475090431 is 1340905746.

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

It is not a de Polignac number, because 6475090431 - 21 = 6475090429 is a prime.

It is a super-2 number, since 2×64750904312 = 83853592179255531522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6475090431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6475090421) 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, 1079181736 + ... + 1079181741.

It is an arithmetic number, because the mean of its divisors is an integer number (2158363478).

Almost surely, 26475090431 is an apocalyptic number.

6475090431 is a deficient number, since it is larger than the sum of its proper divisors (2158363481).

6475090431 is a wasteful number, since it uses less digits than its factorization.

6475090431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158363480.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 6475090431 is about 80467.9466060866. The cubic root of 6475090431 is about 1863.8685459581.

The spelling of 6475090431 in words is "six billion, four hundred seventy-five million, ninety thousand, four hundred thirty-one".

Divisors: 1 3 2158363477 6475090431