Search a number
-
+
93137893 = 919101347
BaseRepresentation
bin1011000110100…
…10101111100101
320111020220011121
411203102233211
5142320403033
613124133541
72210442022
oct543225745
9214226147
1093137893
1148634972
12272372b1
13163b02a4
14c526549
15829b62d
hex58d2be5

93137893 has 4 divisors (see below), whose sum is σ = 93240160. Its totient is φ = 93035628.

The previous prime is 93137887. The next prime is 93137897. The reversal of 93137893 is 39873139.

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 93137893 - 25 = 93137861 is a prime.

It is a super-2 number, since 2×931378932 = 17349334224958898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93137897) 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, 49755 + ... + 51592.

It is an arithmetic number, because the mean of its divisors is an integer number (23310040).

Almost surely, 293137893 is an apocalyptic number.

It is an amenable number.

93137893 is a deficient number, since it is larger than the sum of its proper divisors (102267).

93137893 is a wasteful number, since it uses less digits than its factorization.

93137893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102266.

The product of its digits is 122472, while the sum is 43.

The square root of 93137893 is about 9650.7975318105. The cubic root of 93137893 is about 453.2893021802.

The spelling of 93137893 in words is "ninety-three million, one hundred thirty-seven thousand, eight hundred ninety-three".

Divisors: 1 919 101347 93137893