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16135061 = 149108289
BaseRepresentation
bin111101100011…
…001110010101
31010100202010212
4331203032111
513112310221
61333455205
7254100665
oct75431625
933322125
1016135061
119120568
1254a1505
13345c197
1422001a5
15163ab5b
hexf63395

16135061 has 4 divisors (see below), whose sum is σ = 16243500. Its totient is φ = 16026624.

The previous prime is 16135051. The next prime is 16135103. The reversal of 16135061 is 16053161.

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: 16053161 = 19383177.

It can be written as a sum of positive squares in 2 ways, for example, as 1196836 + 14938225 = 1094^2 + 3865^2 .

It is a cyclic number.

It is not a de Polignac number, because 16135061 - 214 = 16118677 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 (16135001) 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, 53996 + ... + 54293.

It is an arithmetic number, because the mean of its divisors is an integer number (4060875).

Almost surely, 216135061 is an apocalyptic number.

It is an amenable number.

16135061 is a deficient number, since it is larger than the sum of its proper divisors (108439).

16135061 is a wasteful number, since it uses less digits than its factorization.

16135061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108438.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 16135061 is about 4016.8471467060. The cubic root of 16135061 is about 252.6912500669.

The spelling of 16135061 in words is "sixteen million, one hundred thirty-five thousand, sixty-one".

Divisors: 1 149 108289 16135061