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16106345 = 53221269
BaseRepresentation
bin111101011100…
…001101101001
31010022021202022
4331130031221
513110400340
61333114225
7253621163
oct75341551
933267668
1016106345
119100a32
125488975
13344c0a8
1421d3933
1516323b5
hexf5c369

16106345 has 4 divisors (see below), whose sum is σ = 19327620. Its totient is φ = 12885072.

The previous prime is 16106341. The next prime is 16106393. The reversal of 16106345 is 54360161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54360161 = 271200591.

It can be written as a sum of positive squares in 2 ways, for example, as 6190144 + 9916201 = 2488^2 + 3149^2 .

It is a cyclic number.

It is not a de Polignac number, because 16106345 - 22 = 16106341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16106341) 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, 1610630 + ... + 1610639.

It is an arithmetic number, because the mean of its divisors is an integer number (4831905).

Almost surely, 216106345 is an apocalyptic number.

It is an amenable number.

16106345 is a deficient number, since it is larger than the sum of its proper divisors (3221275).

16106345 is an equidigital number, since it uses as much as digits as its factorization.

16106345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221274.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 16106345 is about 4013.2711097059. The cubic root of 16106345 is about 252.5412539202.

The spelling of 16106345 in words is "sixteen million, one hundred six thousand, three hundred forty-five".

Divisors: 1 5 3221269 16106345