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16005970 = 252997569
BaseRepresentation
bin111101000011…
…101101010010
31010010012001201
4331003231102
513044142340
61331021414
7253022431
oct75035522
933105051
1016005970
119042582
12543a86a
1334154b6
1421a9118
15161279a
hexf43b52

16005970 has 32 divisors (see below), whose sum is σ = 30164400. Its totient is φ = 6107136.

The previous prime is 16005967. The next prime is 16006009. The reversal of 16005970 is 7950061.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3916441 + 12089529 = 1979^2 + 3477^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27846 + ... + 28414.

Almost surely, 216005970 is an apocalyptic number.

16005970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16005970 is a deficient number, since it is larger than the sum of its proper divisors (14158430).

16005970 is a wasteful number, since it uses less digits than its factorization.

16005970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 16005970 is about 4000.7461804019. The cubic root of 16005970 is about 252.0155466179.

The spelling of 16005970 in words is "sixteen million, five thousand, nine hundred seventy".

Divisors: 1 2 5 10 29 58 97 145 194 290 485 569 970 1138 2813 2845 5626 5690 14065 16501 28130 33002 55193 82505 110386 165010 275965 551930 1600597 3201194 8002985 16005970