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16288645 = 525112979
BaseRepresentation
bin111110001000…
…101110000101
31010122112211011
4332020232011
513132214040
61341042221
7255310522
oct76105605
933575734
1016288645
11921599a
125556371
1334b4069
142240149
15166b3ea
hexf88b85

16288645 has 8 divisors (see below), whose sum is σ = 19625760. Its totient is φ = 12978000.

The previous prime is 16288637. The next prime is 16288651. The reversal of 16288645 is 54688261.

16288645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16288645 - 23 = 16288637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16288598 and 16288607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5235 + ... + 7744.

It is an arithmetic number, because the mean of its divisors is an integer number (2453220).

Almost surely, 216288645 is an apocalyptic number.

It is an amenable number.

16288645 is a deficient number, since it is larger than the sum of its proper divisors (3337115).

16288645 is a wasteful number, since it uses less digits than its factorization.

16288645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13235.

The product of its digits is 92160, while the sum is 40.

The square root of 16288645 is about 4035.9193500366. The cubic root of 16288645 is about 253.4904794083.

The spelling of 16288645 in words is "sixteen million, two hundred eighty-eight thousand, six hundred forty-five".

Divisors: 1 5 251 1255 12979 64895 3257729 16288645