Search a number
-
+
16315297 = 78720731
BaseRepresentation
bin111110001111…
…001110100001
31010200220101021
4332033032201
513134042142
61341405441
7255451315
oct76171641
933626337
1016315297
119233a19
125569881
1334c322b
142249b45
151674267
hexf8f3a1

16315297 has 4 divisors (see below), whose sum is σ = 16336816. Its totient is φ = 16293780.

The previous prime is 16315289. The next prime is 16315301. The reversal of 16315297 is 79251361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16315297 - 23 = 16315289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16315217) 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, 9579 + ... + 11152.

It is an arithmetic number, because the mean of its divisors is an integer number (4084204).

Almost surely, 216315297 is an apocalyptic number.

It is an amenable number.

16315297 is a deficient number, since it is larger than the sum of its proper divisors (21519).

16315297 is an equidigital number, since it uses as much as digits as its factorization.

16315297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21518.

The product of its digits is 11340, while the sum is 34.

The square root of 16315297 is about 4039.2198504167. The cubic root of 16315297 is about 253.6286604703.

The spelling of 16315297 in words is "sixteen million, three hundred fifteen thousand, two hundred ninety-seven".

Divisors: 1 787 20731 16315297