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16044979 = 79832447
BaseRepresentation
bin111101001101…
…001110110011
31010012011120111
4331031032303
513101414404
61331522151
7253244236
oct75151663
933164514
1016044979
119069915
125459357
13342a192
1421b941d
15161e104
hexf4d3b3

16044979 has 8 divisors (see below), whose sum is σ = 16450560. Its totient is φ = 15644616.

The previous prime is 16044967. The next prime is 16044989. The reversal of 16044979 is 97944061.

It is a happy number.

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 16044979 - 25 = 16044947 is a prime.

It is a super-2 number, since 2×160449792 = 514882702220882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16044989) 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, 5334 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (2056320).

Almost surely, 216044979 is an apocalyptic number.

16044979 is a deficient number, since it is larger than the sum of its proper divisors (405581).

16044979 is an equidigital number, since it uses as much as digits as its factorization.

16044979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 16044979 is about 4005.6184291567. The cubic root of 16044979 is about 252.2201140138.

The spelling of 16044979 in words is "sixteen million, forty-four thousand, nine hundred seventy-nine".

Divisors: 1 79 83 2447 6557 193313 203101 16044979