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16439113 = 139227521
BaseRepresentation
bin111110101101…
…011101001001
31010221012020001
4332231131021
513202022423
61344203001
7256505305
oct76553511
933835201
1016439113
119308a49
125609461
1335376b2
14227cd05
15169acad
hexfad749

16439113 has 8 divisors (see below), whose sum is σ = 16662240. Its totient is φ = 16217760.

The previous prime is 16439107. The next prime is 16439117. The reversal of 16439113 is 31193461.

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 16439113 - 25 = 16439081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16439117) 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, 31293 + ... + 31813.

It is an arithmetic number, because the mean of its divisors is an integer number (2082780).

Almost surely, 216439113 is an apocalyptic number.

It is an amenable number.

16439113 is a deficient number, since it is larger than the sum of its proper divisors (223127).

16439113 is a wasteful number, since it uses less digits than its factorization.

16439113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its digits is 1944, while the sum is 28.

The square root of 16439113 is about 4054.5176038587. The cubic root of 16439113 is about 254.2686361553.

The spelling of 16439113 in words is "sixteen million, four hundred thirty-nine thousand, one hundred thirteen".

Divisors: 1 139 227 521 31553 72419 118267 16439113