Search a number
-
+
75970613 = 691109943
BaseRepresentation
bin1001000011100…
…11100000110101
312021221201002102
410201303200311
5123422024423
611312151445
71611511445
oct441634065
9167851072
1075970613
1139979934
1221538585
131297c334
14a138125
156a09c28
hex4873835

75970613 has 4 divisors (see below), whose sum is σ = 76081248. Its totient is φ = 75859980.

The previous prime is 75970591. The next prime is 75970619. The reversal of 75970613 is 31607957.

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 a cyclic number.

It is not a de Polignac number, because 75970613 - 218 = 75708469 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 (75970619) 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, 54281 + ... + 55662.

It is an arithmetic number, because the mean of its divisors is an integer number (19020312).

Almost surely, 275970613 is an apocalyptic number.

It is an amenable number.

75970613 is a deficient number, since it is larger than the sum of its proper divisors (110635).

75970613 is a wasteful number, since it uses less digits than its factorization.

75970613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110634.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 75970613 is about 8716.1122640774. The cubic root of 75970613 is about 423.5277557083.

The spelling of 75970613 in words is "seventy-five million, nine hundred seventy thousand, six hundred thirteen".

Divisors: 1 691 109943 75970613