Base | Representation |
---|---|
bin | 111001011000… |
… | …011011110000 |
3 | 1001022020010210 |
4 | 321120123300 |
5 | 12322323123 |
6 | 1254224120 |
7 | 241600032 |
oct | 71303360 |
9 | 31266123 |
10 | 15042288 |
11 | 8544548 |
12 | 5055040 |
13 | 3168981 |
14 | 1dd7c52 |
15 | 14c1e93 |
hex | e586f0 |
15042288 has 20 divisors (see below), whose sum is σ = 38859368. Its totient is φ = 5014080.
The previous prime is 15042283. The next prime is 15042289. The reversal of 15042288 is 88224051.
15042288 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15042283) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156643 + ... + 156738.
Almost surely, 215042288 is an apocalyptic number.
It is an amenable number.
15042288 is an abundant number, since it is smaller than the sum of its proper divisors (23817080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15042288 is a wasteful number, since it uses less digits than its factorization.
15042288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313392 (or 313386 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 30.
The square root of 15042288 is about 3878.4388611914. The cubic root of 15042288 is about 246.8527481520.
It can be divided in two parts, 15042 and 288, that multiplied together give a triangular number (4332096 = T2943).
The spelling of 15042288 in words is "fifteen million, forty-two thousand, two hundred eighty-eight".
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