Search a number
-
+
14919697 = 131147669
BaseRepresentation
bin111000111010…
…100000010001
31001001222222101
4320322200101
512304412242
61251440401
7240546442
oct70724021
931058871
1014919697
118470431
124bb6101
133124c30
141da52c9
15149a9b7
hexe3a811

14919697 has 4 divisors (see below), whose sum is σ = 16067380. Its totient is φ = 13772016.

The previous prime is 14919683. The next prime is 14919701. The reversal of 14919697 is 79691941.

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 6677056 + 8242641 = 2584^2 + 2871^2 .

It is a cyclic number.

It is not a de Polignac number, because 14919697 - 223 = 6531089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14919607) 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, 573822 + ... + 573847.

It is an arithmetic number, because the mean of its divisors is an integer number (4016845).

Almost surely, 214919697 is an apocalyptic number.

It is an amenable number.

14919697 is a deficient number, since it is larger than the sum of its proper divisors (1147683).

14919697 is a wasteful number, since it uses less digits than its factorization.

14919697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147682.

The product of its digits is 122472, while the sum is 46.

The square root of 14919697 is about 3862.6023611032. The cubic root of 14919697 is about 246.1803214437.

The spelling of 14919697 in words is "fourteen million, nine hundred nineteen thousand, six hundred ninety-seven".

Divisors: 1 13 1147669 14919697