Search a number
-
+
8997164 = 2211204481
BaseRepresentation
bin100010010100…
…100100101100
3121221002210022
4202110210230
54300402124
6520501312
7136321541
oct42244454
917832708
108997164
115095780
12301a838
131b30287
1412a2bc8
15bcac5e
hex89492c

8997164 has 12 divisors (see below), whose sum is σ = 17176488. Its totient is φ = 4089600.

The previous prime is 8997139. The next prime is 8997167. The reversal of 8997164 is 4617998.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 204481 = 8997164 / (8 + 9 + 9 + 7 + 1 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (8997167) 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, 102197 + ... + 102284.

It is an arithmetic number, because the mean of its divisors is an integer number (1431374).

Almost surely, 28997164 is an apocalyptic number.

It is an amenable number.

8997164 is a deficient number, since it is larger than the sum of its proper divisors (8179324).

8997164 is a wasteful number, since it uses less digits than its factorization.

8997164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204496 (or 204494 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 8997164 is about 2999.5272960918. The cubic root of 8997164 is about 207.9865314257.

The spelling of 8997164 in words is "eight million, nine hundred ninety-seven thousand, one hundred sixty-four".

Divisors: 1 2 4 11 22 44 204481 408962 817924 2249291 4498582 8997164