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15027142 = 2132231933
BaseRepresentation
bin111001010100…
…101111000110
31001021110100211
4321110233012
512321332032
61254030034
7241504624
oct71245706
931243324
1015027142
118534129
12504831a
133161b00
141dd2514
1514bc747
hexe54bc6

15027142 has 24 divisors (see below), whose sum is σ = 25482384. Its totient is φ = 6630624.

The previous prime is 15027139. The next prime is 15027149. The reversal of 15027142 is 24172051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15027149) 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 11 ways as a sum of consecutive naturals, for example, 6808 + ... + 8740.

It is an arithmetic number, because the mean of its divisors is an integer number (1061766).

Almost surely, 215027142 is an apocalyptic number.

15027142 is a deficient number, since it is larger than the sum of its proper divisors (10455242).

15027142 is a wasteful number, since it uses less digits than its factorization.

15027142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 15027142 is about 3876.4857796721. The cubic root of 15027142 is about 246.7698687545.

Adding to 15027142 its reverse (24172051), we get a palindrome (39199193).

The spelling of 15027142 in words is "fifteen million, twenty-seven thousand, one hundred forty-two".

Divisors: 1 2 13 23 26 46 169 299 338 598 1933 3866 3887 7774 25129 44459 50258 88918 326677 577967 653354 1155934 7513571 15027142