Search a number
-
+
16113253 = 131239481
BaseRepresentation
bin111101011101…
…111001100101
31010022122020011
4331131321211
513111111003
61333210221
7253650262
oct75357145
933278204
1016113253
119106142
125490971
133452290
1421d6269
15163446d
hexf5de65

16113253 has 4 divisors (see below), whose sum is σ = 17352748. Its totient is φ = 14873760.

The previous prime is 16113247. The next prime is 16113257. The reversal of 16113253 is 35231161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35231161 = 75033023.

It can be written as a sum of positive squares in 2 ways, for example, as 5602689 + 10510564 = 2367^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 16113253 - 217 = 15982181 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 (16113257) 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, 619728 + ... + 619753.

It is an arithmetic number, because the mean of its divisors is an integer number (4338187).

Almost surely, 216113253 is an apocalyptic number.

16113253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16113253 is a deficient number, since it is larger than the sum of its proper divisors (1239495).

16113253 is a wasteful number, since it uses less digits than its factorization.

16113253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239494.

The product of its digits is 540, while the sum is 22.

The square root of 16113253 is about 4014.1316620161. The cubic root of 16113253 is about 252.5773536815.

The spelling of 16113253 in words is "sixteen million, one hundred thirteen thousand, two hundred fifty-three".

Divisors: 1 13 1239481 16113253