Base | Representation |
---|---|
bin | 111001011010… |
… | …111010000100 |
3 | 1001022202001001 |
4 | 321122322010 |
5 | 12323134140 |
6 | 1254343044 |
7 | 241641415 |
oct | 71327204 |
9 | 31282031 |
10 | 15052420 |
11 | 8551119 |
12 | 505aa84 |
13 | 3170476 |
14 | 1ddb80c |
15 | 14c4e9a |
hex | e5ae84 |
15052420 has 24 divisors (see below), whose sum is σ = 31921344. Its totient is φ = 5961696.
The previous prime is 15052417. The next prime is 15052447. The reversal of 15052420 is 2425051.
15052420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594 + ... + 5713.
It is an arithmetic number, because the mean of its divisors is an integer number (1330056).
Almost surely, 215052420 is an apocalyptic number.
15052420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15052420 is an abundant number, since it is smaller than the sum of its proper divisors (16868924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15052420 is a wasteful number, since it uses less digits than its factorization.
15052420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7419 (or 7417 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 19.
The square root of 15052420 is about 3879.7448369706. The cubic root of 15052420 is about 246.9081597289.
Adding to 15052420 its reverse (2425051), we get a palindrome (17477471).
It can be divided in two parts, 150524 and 20, that added together give a square (150544 = 3882).
The spelling of 15052420 in words is "fifteen million, fifty-two thousand, four hundred twenty".
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