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16492149 = 321832461
BaseRepresentation
bin111110111010…
…011001110101
31011000212222100
4332322121311
513210222044
61345252313
7260116032
oct76723165
934025870
1016492149
119344883
125634099
13355588b
142294389
1516ab869
hexfba675

16492149 has 6 divisors (see below), whose sum is σ = 23822006. Its totient is φ = 10994760.

The previous prime is 16492141. The next prime is 16492153. The reversal of 16492149 is 94129461.

It is a happy number.

16492149 is a `hidden beast` number, since 1 + 649 + 2 + 1 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 4485924 = 3465^2 + 2118^2 .

It is not a de Polignac number, because 16492149 - 23 = 16492141 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16492141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 916222 + ... + 916239.

Almost surely, 216492149 is an apocalyptic number.

It is an amenable number.

16492149 is a deficient number, since it is larger than the sum of its proper divisors (7329857).

16492149 is a wasteful number, since it uses less digits than its factorization.

16492149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832467 (or 1832464 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 16492149 is about 4061.0526960383. The cubic root of 16492149 is about 254.5417838022.

It can be divided in two parts, 16492 and 149, that added together give a square (16641 = 1292).

The spelling of 16492149 in words is "sixteen million, four hundred ninety-two thousand, one hundred forty-nine".

Divisors: 1 3 9 1832461 5497383 16492149