Base | Representation |
---|---|
bin | 11110000110100… |
… | …01001110101001 |
3 | 122121011002210100 |
4 | 33003101032221 |
5 | 1004120441431 |
6 | 41020140013 |
7 | 6154226016 |
oct | 1703211651 |
9 | 577132710 |
10 | 252515241 |
11 | 11a5a1490 |
12 | 70697609 |
13 | 40413504 |
14 | 2577270d |
15 | 1727e4e6 |
hex | f0d13a9 |
252515241 has 12 divisors (see below), whose sum is σ = 397902960. Its totient is φ = 153039480.
The previous prime is 252515239. The next prime is 252515261. The reversal of 252515241 is 142515252.
252515241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 252515241 - 21 = 252515239 is a prime.
It is not an unprimeable number, because it can be changed into a prime (252515231) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1275231 + ... + 1275428.
It is an arithmetic number, because the mean of its divisors is an integer number (33158580).
Almost surely, 2252515241 is an apocalyptic number.
It is an amenable number.
252515241 is a deficient number, since it is larger than the sum of its proper divisors (145387719).
252515241 is a wasteful number, since it uses less digits than its factorization.
252515241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2550676 (or 2550673 counting only the distinct ones).
The product of its digits is 4000, while the sum is 27.
The square root of 252515241 is about 15890.7281456829. The cubic root of 252515241 is about 632.0661491743.
It can be divided in two parts, 2525 and 15241, that added together give a triangular number (17766 = T188).
The spelling of 252515241 in words is "two hundred fifty-two million, five hundred fifteen thousand, two hundred forty-one".
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