Search a number
-
+
464670813 = 3154890271
BaseRepresentation
bin11011101100100…
…101000001011101
31012101100201112010
4123230211001131
51422423431223
6114035301433
714341431255
oct3354450135
91171321463
10464670813
11219327072
1210b74a879
1375365559
14459da965
152abda393
hex1bb2505d

464670813 has 4 divisors (see below), whose sum is σ = 619561088. Its totient is φ = 309780540.

The previous prime is 464670763. The next prime is 464670839. The reversal of 464670813 is 318076464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 464670813 - 225 = 431116381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464670113) 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, 77445133 + ... + 77445138.

It is an arithmetic number, because the mean of its divisors is an integer number (154890272).

Almost surely, 2464670813 is an apocalyptic number.

It is an amenable number.

464670813 is a deficient number, since it is larger than the sum of its proper divisors (154890275).

464670813 is a wasteful number, since it uses less digits than its factorization.

464670813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154890274.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 464670813 is about 21556.2244606981. The cubic root of 464670813 is about 774.5482281317.

The spelling of 464670813 in words is "four hundred sixty-four million, six hundred seventy thousand, eight hundred thirteen".

Divisors: 1 3 154890271 464670813