Base | Representation |
---|---|
bin | 111001101001… |
… | …111110011110 |
3 | 1001102212201001 |
4 | 321221332132 |
5 | 12332123032 |
6 | 1255540514 |
7 | 242316361 |
oct | 71517636 |
9 | 31385631 |
10 | 15114142 |
11 | 859352a |
12 | 508a73a |
13 | 31925a4 |
14 | 20160d8 |
15 | 14d83e7 |
hex | e69f9e |
15114142 has 4 divisors (see below), whose sum is σ = 22671216. Its totient is φ = 7557070.
The previous prime is 15114137. The next prime is 15114163. The reversal of 15114142 is 24141151.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24141151 = 239 ⋅101009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3778534 + ... + 3778537.
It is an arithmetic number, because the mean of its divisors is an integer number (5667804).
Almost surely, 215114142 is an apocalyptic number.
15114142 is a deficient number, since it is larger than the sum of its proper divisors (7557074).
15114142 is an equidigital number, since it uses as much as digits as its factorization.
15114142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7557073.
The product of its digits is 160, while the sum is 19.
The square root of 15114142 is about 3887.6910885511. The cubic root of 15114142 is about 247.2451793538.
Adding to 15114142 its reverse (24141151), we get a palindrome (39255293).
The spelling of 15114142 in words is "fifteen million, one hundred fourteen thousand, one hundred forty-two".
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