Search a number
-
+
13992155 = 54436317
BaseRepresentation
bin110101011000…
…000011011011
3222022212121222
4311120003123
512040222110
61215522255
7226634312
oct65300333
928285558
1013992155
117997571
12482938b
132b8b9a8
141c03279
151365c55
hexd580db

13992155 has 8 divisors (see below), whose sum is σ = 16831152. Its totient is φ = 11166688.

The previous prime is 13992131. The next prime is 13992161. The reversal of 13992155 is 55129931.

13992155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13992155 - 26 = 13992091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944 + ... + 5373.

It is an arithmetic number, because the mean of its divisors is an integer number (2103894).

Almost surely, 213992155 is an apocalyptic number.

13992155 is a deficient number, since it is larger than the sum of its proper divisors (2838997).

13992155 is an equidigital number, since it uses as much as digits as its factorization.

13992155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765.

The product of its digits is 12150, while the sum is 35.

The square root of 13992155 is about 3740.6089076513. The cubic root of 13992155 is about 240.9691999917.

The spelling of 13992155 in words is "thirteen million, nine hundred ninety-two thousand, one hundred fifty-five".

Divisors: 1 5 443 2215 6317 31585 2798431 13992155