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890764117 = 2273924071
BaseRepresentation
bin110101000101111…
…111101101010101
32022002010111122121
4311011333231111
53311013422432
6224220055541
731034240635
oct6505775525
92262114577
10890764117
114178a42a1
1220a3945b1
13112711879
14864346c5
1553305197
hex3517fb55

890764117 has 4 divisors (see below), whose sum is σ = 894688416. Its totient is φ = 886839820.

The previous prime is 890764037. The next prime is 890764153. The reversal of 890764117 is 711467098.

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 890764117 - 27 = 890763989 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 (890764817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1961809 + ... + 1962262.

It is an arithmetic number, because the mean of its divisors is an integer number (223672104).

Almost surely, 2890764117 is an apocalyptic number.

It is an amenable number.

890764117 is a deficient number, since it is larger than the sum of its proper divisors (3924299).

890764117 is a wasteful number, since it uses less digits than its factorization.

890764117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924298.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 890764117 is about 29845.6716627386. The cubic root of 890764117 is about 962.1753753626.

The spelling of 890764117 in words is "eight hundred ninety million, seven hundred sixty-four thousand, one hundred seventeen".

Divisors: 1 227 3924071 890764117