Search a number
-
+
8113399 = 719531151
BaseRepresentation
bin11110111100110011110111
3120021012111021
4132330303313
54034112044
6445522011
7125651140
oct36746367
916235437
108113399
114641798
122873307
1318b0c38
141112ac7
15aa3e84
hex7bccf7

8113399 has 16 divisors (see below), whose sum is σ = 9953280. Its totient is φ = 6458400.

The previous prime is 8113387. The next prime is 8113421. The reversal of 8113399 is 9933118.

It is a cyclic number.

It is not a de Polignac number, because 8113399 - 27 = 8113271 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 (8113349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6474 + ... + 7624.

It is an arithmetic number, because the mean of its divisors is an integer number (622080).

Almost surely, 28113399 is an apocalyptic number.

8113399 is a deficient number, since it is larger than the sum of its proper divisors (1839881).

8113399 is a wasteful number, since it uses less digits than its factorization.

8113399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230.

The product of its digits is 5832, while the sum is 34.

The square root of 8113399 is about 2848.4028858292. The cubic root of 8113399 is about 200.9405614535.

The spelling of 8113399 in words is "eight million, one hundred thirteen thousand, three hundred ninety-nine".

Divisors: 1 7 19 53 133 371 1007 1151 7049 8057 21869 61003 153083 427021 1159057 8113399