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16069090 = 251606909
BaseRepresentation
bin111101010011…
…000111100010
31010020101122111
4331103013202
513103202330
61332225534
7253404442
oct75230742
933211574
1016069090
119085a44
12546b2aa
13343814b
1421c4122
15162632a
hexf531e2

16069090 has 8 divisors (see below), whose sum is σ = 28924380. Its totient is φ = 6427632.

The previous prime is 16069087. The next prime is 16069091. The reversal of 16069090 is 9096061.

It can be written as a sum of positive squares in 2 ways, for example, as 13816089 + 2253001 = 3717^2 + 1501^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16069091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803445 + ... + 803464.

Almost surely, 216069090 is an apocalyptic number.

16069090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16069090 is a deficient number, since it is larger than the sum of its proper divisors (12855290).

16069090 is a wasteful number, since it uses less digits than its factorization.

16069090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606916.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 16069090 is about 4008.6269469732. The cubic root of 16069090 is about 252.3463889390.

The spelling of 16069090 in words is "sixteen million, sixty-nine thousand, ninety".

Divisors: 1 2 5 10 1606909 3213818 8034545 16069090