Base | Representation |
---|---|
bin | 10010000111110… |
… | …01001111001100 |
3 | 101121001012111120 |
4 | 21003321033030 |
5 | 302404001240 |
6 | 23030120540 |
7 | 3524053545 |
oct | 1103711714 |
9 | 347035446 |
10 | 152015820 |
11 | 78899810 |
12 | 42ab0150 |
13 | 256565b8 |
14 | 162914cc |
15 | d52bad0 |
hex | 90f93cc |
152015820 has 48 divisors (see below), whose sum is σ = 464341248. Its totient is φ = 36852160.
The previous prime is 152015803. The next prime is 152015833. The reversal of 152015820 is 28510251.
152015820 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 15 ways as a sum of consecutive naturals, for example, 114504 + ... + 115823.
It is an arithmetic number, because the mean of its divisors is an integer number (9673776).
Almost surely, 2152015820 is an apocalyptic number.
152015820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
152015820 is an abundant number, since it is smaller than the sum of its proper divisors (312325428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152015820 is a wasteful number, since it uses less digits than its factorization.
152015820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230350 (or 230348 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 24.
The square root of 152015820 is about 12329.4695749655. The cubic root of 152015820 is about 533.6988440644.
The spelling of 152015820 in words is "one hundred fifty-two million, fifteen thousand, eight hundred twenty".
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