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15000083 = 76135129
BaseRepresentation
bin111001001110…
…001000010011
31001020002020122
4321032020103
512320000313
61253300455
7241333010
oct71161023
931202218
1015000083
11851586a
12503472b
1331526b7
141dc6707
1514b4708
hexe4e213

15000083 has 8 divisors (see below), whose sum is σ = 17424480. Its totient is φ = 12646080.

The previous prime is 15000079. The next prime is 15000127. The reversal of 15000083 is 38000051.

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 15000083 - 22 = 15000079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15000053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17138 + ... + 17991.

It is an arithmetic number, because the mean of its divisors is an integer number (2178060).

Almost surely, 215000083 is an apocalyptic number.

15000083 is a deficient number, since it is larger than the sum of its proper divisors (2424397).

15000083 is an equidigital number, since it uses as much as digits as its factorization.

15000083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35197.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 15000083 is about 3872.9940614465. The cubic root of 15000083 is about 246.6216623113.

The spelling of 15000083 in words is "fifteen million, eighty-three", and thus it is an aban number and an uban number.

Divisors: 1 7 61 427 35129 245903 2142869 15000083