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16106257 = 612291153
BaseRepresentation
bin111101011100…
…001100010001
31010022021122001
4331130030101
513110400012
61333114001
7253621006
oct75341421
933267561
1016106257
119100962
125488901
13344c03b
1421d38ad
151632357
hexf5c311

16106257 has 8 divisors (see below), whose sum is σ = 16456040. Its totient is φ = 15759360.

The previous prime is 16106239. The next prime is 16106261. The reversal of 16106257 is 75260161.

16106257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3779136 + 12327121 = 1944^2 + 3511^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16106257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16106297) 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, 13393 + ... + 14545.

It is an arithmetic number, because the mean of its divisors is an integer number (2057005).

Almost surely, 216106257 is an apocalyptic number.

It is an amenable number.

16106257 is a deficient number, since it is larger than the sum of its proper divisors (349783).

16106257 is a wasteful number, since it uses less digits than its factorization.

16106257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 16106257 is about 4013.2601460658. The cubic root of 16106257 is about 252.5407939841.

The spelling of 16106257 in words is "sixteen million, one hundred six thousand, two hundred fifty-seven".

Divisors: 1 61 229 1153 13969 70333 264037 16106257