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16485677 = 136120789
BaseRepresentation
bin111110111000…
…110100101101
31011000120002122
4332320310231
513210020202
61345202325
7260061125
oct76706455
934016078
1016485677
11933aa2a
1256303a5
133552950
142291c85
1516a99a2
hexfb8d2d

16485677 has 8 divisors (see below), whose sum is σ = 18045720. Its totient is φ = 14967360.

The previous prime is 16485653. The next prime is 16485697. The reversal of 16485677 is 77658461.

It can be written as a sum of positive squares in 4 ways, for example, as 212521 + 16273156 = 461^2 + 4034^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16485677 - 26 = 16485613 is a prime.

It is a super-2 number, since 2×164856772 = 543555092296658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16485607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9602 + ... + 11187.

It is an arithmetic number, because the mean of its divisors is an integer number (2255715).

Almost surely, 216485677 is an apocalyptic number.

It is an amenable number.

16485677 is a deficient number, since it is larger than the sum of its proper divisors (1560043).

16485677 is a wasteful number, since it uses less digits than its factorization.

16485677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20863.

The product of its digits is 282240, while the sum is 44.

The square root of 16485677 is about 4060.2557801203. The cubic root of 16485677 is about 254.5084829072.

The spelling of 16485677 in words is "sixteen million, four hundred eighty-five thousand, six hundred seventy-seven".

Divisors: 1 13 61 793 20789 270257 1268129 16485677