Search a number
-
+
14188990 = 255232713
BaseRepresentation
bin110110001000…
…000110111110
3222200212122011
4312020012332
512113021430
61224041434
7231414214
oct66100676
928625564
1014188990
118011442
12490327a
132c2a46a
141c54cb4
1513a422a
hexd881be

14188990 has 16 divisors (see below), whose sum is σ = 25598448. Its totient is φ = 5662656.

The previous prime is 14188973. The next prime is 14188997. The reversal of 14188990 is 9988141.

14188990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14188997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3874 + ... + 6586.

It is an arithmetic number, because the mean of its divisors is an integer number (1599903).

Almost surely, 214188990 is an apocalyptic number.

14188990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14188990 is a deficient number, since it is larger than the sum of its proper divisors (11409458).

14188990 is a wasteful number, since it uses less digits than its factorization.

14188990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 14188990 is about 3766.8275776839. The cubic root of 14188990 is about 242.0938893025.

The spelling of 14188990 in words is "fourteen million, one hundred eighty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 523 1046 2615 2713 5230 5426 13565 27130 1418899 2837798 7094495 14188990