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16925043 = 35641681
BaseRepresentation
bin100000010010…
…0000101110011
31011211212210110
41000210011303
513313100133
61402432403
7263601102
oct100440563
934755713
1016925043
119610043
125802703
133677925
142368039
151744c63
hex1024173

16925043 has 4 divisors (see below), whose sum is σ = 22566728. Its totient is φ = 11283360.

The previous prime is 16925017. The next prime is 16925053. The reversal of 16925043 is 34052961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34052961 = 311350987.

It is not a de Polignac number, because 16925043 - 220 = 15876467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16925043.

It is not an unprimeable number, because it can be changed into a prime (16925053) 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, 2820838 + ... + 2820843.

It is an arithmetic number, because the mean of its divisors is an integer number (5641682).

Almost surely, 216925043 is an apocalyptic number.

16925043 is a deficient number, since it is larger than the sum of its proper divisors (5641685).

16925043 is an equidigital number, since it uses as much as digits as its factorization.

16925043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641684.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 16925043 is about 4114.0057121983. The cubic root of 16925043 is about 256.7496894143.

The spelling of 16925043 in words is "sixteen million, nine hundred twenty-five thousand, forty-three".

Divisors: 1 3 5641681 16925043