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15113230 = 2511137393
BaseRepresentation
bin111001101001…
…110000001110
31001102211110021
4321221300032
512332110410
61255532354
7242313616
oct71516016
931384407
1015113230
118592880
12508a0ba
133192052
142015a46
1514d7eda
hexe69c0e

15113230 has 16 divisors (see below), whose sum is σ = 29677104. Its totient is φ = 5495680.

The previous prime is 15113207. The next prime is 15113239. The reversal of 15113230 is 3231151.

15113230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15113239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68587 + ... + 68806.

It is an arithmetic number, because the mean of its divisors is an integer number (1854819).

Almost surely, 215113230 is an apocalyptic number.

15113230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15113230 is a deficient number, since it is larger than the sum of its proper divisors (14563874).

15113230 is a wasteful number, since it uses less digits than its factorization.

15113230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137411.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 15113230 is about 3887.5737935118. The cubic root of 15113230 is about 247.2402062600.

Adding to 15113230 its reverse (3231151), we get a palindrome (18344381).

The spelling of 15113230 in words is "fifteen million, one hundred thirteen thousand, two hundred thirty".