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16081049 = 191396089
BaseRepresentation
bin111101010110…
…000010011001
31010021000001102
4331112002121
513104043144
61332401145
7253454345
oct75260231
933230042
1016081049
119093a26
1254761b5
13344071a
1421c8625
151629b4e
hexf56099

16081049 has 8 divisors (see below), whose sum is σ = 17052000. Its totient is φ = 15122592.

The previous prime is 16081027. The next prime is 16081111. The reversal of 16081049 is 94018061.

16081049 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16081049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16081019) 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, 404 + ... + 5685.

It is an arithmetic number, because the mean of its divisors is an integer number (2131500).

Almost surely, 216081049 is an apocalyptic number.

16081049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16081049 is a deficient number, since it is larger than the sum of its proper divisors (970951).

16081049 is a wasteful number, since it uses less digits than its factorization.

16081049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 16081049 is about 4010.1183274312. The cubic root of 16081049 is about 252.4089741494.

The spelling of 16081049 in words is "sixteen million, eighty-one thousand, forty-nine".

Divisors: 1 19 139 2641 6089 115691 846371 16081049