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14381789 = 37388697
BaseRepresentation
bin110110110111…
…001011011101
31000001200002212
4312313023131
512140204124
61232130205
7233146262
oct66671335
930050085
1014381789
118133284
124996965
132c97146
141ca5269
1513e140e
hexdb72dd

14381789 has 4 divisors (see below), whose sum is σ = 14770524. Its totient is φ = 13993056.

The previous prime is 14381753. The next prime is 14381797. The reversal of 14381789 is 98718341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12545764 + 1836025 = 3542^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 14381789 - 28 = 14381533 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 (14381729) 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, 194312 + ... + 194385.

It is an arithmetic number, because the mean of its divisors is an integer number (3692631).

Almost surely, 214381789 is an apocalyptic number.

It is an amenable number.

14381789 is a deficient number, since it is larger than the sum of its proper divisors (388735).

14381789 is an equidigital number, since it uses as much as digits as its factorization.

14381789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388734.

The product of its digits is 48384, while the sum is 41.

The square root of 14381789 is about 3792.3329231490. The cubic root of 14381789 is about 243.1854782437.

The spelling of 14381789 in words is "fourteen million, three hundred eighty-one thousand, seven hundred eighty-nine".

Divisors: 1 37 388697 14381789