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15379030 = 251679209
BaseRepresentation
bin111010101010…
…101001010110
31001221100001201
4322222221112
512414112110
61305343114
7244501552
oct72525126
931840051
1015379030
118754547
125197a9a
133256024
142084862
15153bb3a
hexeaaa56

15379030 has 16 divisors (see below), whose sum is σ = 27851040. Its totient is φ = 6114112.

The previous prime is 15378997. The next prime is 15379031. The reversal of 15379030 is 3097351.

It is a self number, because there is not a number n which added to its sum of digits gives 15379030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15379031) 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 7 ways as a sum of consecutive naturals, for example, 2935 + ... + 6274.

It is an arithmetic number, because the mean of its divisors is an integer number (1740690).

Almost surely, 215379030 is an apocalyptic number.

15379030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15379030 is a deficient number, since it is larger than the sum of its proper divisors (12472010).

15379030 is a wasteful number, since it uses less digits than its factorization.

15379030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9383.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 15379030 is about 3921.6106385005. The cubic root of 15379030 is about 248.6812154620.

The spelling of 15379030 in words is "fifteen million, three hundred seventy-nine thousand, thirty".

Divisors: 1 2 5 10 167 334 835 1670 9209 18418 46045 92090 1537903 3075806 7689515 15379030