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15300109 = 111390919
BaseRepresentation
bin111010010111…
…011000001101
31001210022210201
4322113120031
512404100414
61303533501
7244022506
oct72273015
931708721
1015300109
118700220
12515a291
133229126
142063bad
151523574
hexe9760d

15300109 has 4 divisors (see below), whose sum is σ = 16691040. Its totient is φ = 13909180.

The previous prime is 15300107. The next prime is 15300113. The reversal of 15300109 is 90100351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15300109 - 21 = 15300107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15300107) 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, 695449 + ... + 695470.

It is an arithmetic number, because the mean of its divisors is an integer number (4172760).

Almost surely, 215300109 is an apocalyptic number.

It is an amenable number.

15300109 is a deficient number, since it is larger than the sum of its proper divisors (1390931).

15300109 is a wasteful number, since it uses less digits than its factorization.

15300109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390930.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 15300109 is about 3911.5353762941. The cubic root of 15300109 is about 248.2550975967.

The spelling of 15300109 in words is "fifteen million, three hundred thousand, one hundred nine".

Divisors: 1 11 1390919 15300109