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16893445 = 54771887
BaseRepresentation
bin100000001110…
…0011000000101
31011210021110011
41000130120011
513311042240
61402030221
7263410012
oct100343005
934707404
1016893445
119599328
1257a8371
13366642a
14235a709
15173a6ea
hex101c605

16893445 has 8 divisors (see below), whose sum is σ = 20703744. Its totient is φ = 13227024.

The previous prime is 16893421. The next prime is 16893449. The reversal of 16893445 is 54439861.

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 16893445 - 29 = 16892933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16893398 and 16893407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16893449) 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, 35709 + ... + 36178.

It is an arithmetic number, because the mean of its divisors is an integer number (2587968).

Almost surely, 216893445 is an apocalyptic number.

It is an amenable number.

16893445 is a deficient number, since it is larger than the sum of its proper divisors (3810299).

16893445 is an equidigital number, since it uses as much as digits as its factorization.

16893445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71939.

The product of its digits is 103680, while the sum is 40.

The square root of 16893445 is about 4110.1636220472. The cubic root of 16893445 is about 256.5898113249.

The spelling of 16893445 in words is "sixteen million, eight hundred ninety-three thousand, four hundred forty-five".

Divisors: 1 5 47 235 71887 359435 3378689 16893445