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16099289 = 171949843
BaseRepresentation
bin111101011010…
…011111011001
31010021221001222
4331122133121
513110134124
61333021425
7253561463
oct75323731
933257058
1016099289
1190a66a8
125484875
133448b0b
1421d1133
15163025e
hexf5a7d9

16099289 has 8 divisors (see below), whose sum is σ = 17943840. Its totient is φ = 14354496.

The previous prime is 16099283. The next prime is 16099313. The reversal of 16099289 is 98299061.

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 16099289 - 24 = 16099273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16099283) 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, 24599 + ... + 25244.

It is an arithmetic number, because the mean of its divisors is an integer number (2242980).

Almost surely, 216099289 is an apocalyptic number.

16099289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16099289 is a deficient number, since it is larger than the sum of its proper divisors (1844551).

16099289 is a wasteful number, since it uses less digits than its factorization.

16099289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49879.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 16099289 is about 4012.3919300088. The cubic root of 16099289 is about 252.5043700842.

The spelling of 16099289 in words is "sixteen million, ninety-nine thousand, two hundred eighty-nine".

Divisors: 1 17 19 323 49843 847331 947017 16099289