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16930149 = 35643383
BaseRepresentation
bin100000010010…
…1010101100101
31011212010210120
41000211111211
513313231044
61402512153
7263622015
oct100452545
934763716
1016930149
119613965
125805659
13367a052
142369c45
151746519
hex1025565

16930149 has 4 divisors (see below), whose sum is σ = 22573536. Its totient is φ = 11286764.

The previous prime is 16930141. The next prime is 16930157. The reversal of 16930149 is 94103961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (16930141) and next prime (16930157).

It is a cyclic number.

It is not a de Polignac number, because 16930149 - 23 = 16930141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16930141) 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, 2821689 + ... + 2821694.

It is an arithmetic number, because the mean of its divisors is an integer number (5643384).

Almost surely, 216930149 is an apocalyptic number.

It is an amenable number.

16930149 is a deficient number, since it is larger than the sum of its proper divisors (5643387).

16930149 is an equidigital number, since it uses as much as digits as its factorization.

16930149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643386.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 16930149 is about 4114.6262284684. The cubic root of 16930149 is about 256.7755058353.

The spelling of 16930149 in words is "sixteen million, nine hundred thirty thousand, one hundred forty-nine".

Divisors: 1 3 5643383 16930149