Base | Representation |
---|---|
bin | 111001110000… |
… | …111000011000 |
3 | 1001111022111112 |
4 | 321300320120 |
5 | 12334024144 |
6 | 1300315452 |
7 | 242465003 |
oct | 71607030 |
9 | 31438445 |
10 | 15142424 |
11 | 8602800 |
12 | 50a2b88 |
13 | 31a241b |
14 | 202253a |
15 | 14e199e |
hex | e70e18 |
15142424 has 24 divisors (see below), whose sum is σ = 31209780. Its totient is φ = 6882480.
The previous prime is 15142403. The next prime is 15142429. The reversal of 15142424 is 42424151.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a zygodrome in base 2.
It is a self number, because there is not a number n which added to its sum of digits gives 15142424.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15142429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6854 + ... + 8789.
Almost surely, 215142424 is an apocalyptic number.
It is an amenable number.
15142424 is an abundant number, since it is smaller than the sum of its proper divisors (16067356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15142424 is a wasteful number, since it uses less digits than its factorization.
15142424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15671 (or 15656 counting only the distinct ones).
The product of its digits is 1280, while the sum is 23.
The square root of 15142424 is about 3891.3267660272. The cubic root of 15142424 is about 247.3993005982.
Adding to 15142424 its reverse (42424151), we get a palindrome (57566575).
The spelling of 15142424 in words is "fifteen million, one hundred forty-two thousand, four hundred twenty-four".
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