Base | Representation |
---|---|
bin | 110001001100001… |
… | …010100100110110 |
3 | 2010111220012012222 |
4 | 301030022210312 |
5 | 3142232211010 |
6 | 213520242342 |
7 | 26310462440 |
oct | 6114124466 |
9 | 2114805188 |
10 | 825272630 |
11 | 3939325a6 |
12 | 1b04703b2 |
13 | 101c91200 |
14 | 7b867490 |
15 | 4c6ba355 |
hex | 3130a936 |
825272630 has 48 divisors (see below), whose sum is σ = 1838368224. Its totient is φ = 261181440.
The previous prime is 825272611. The next prime is 825272639. The reversal of 825272630 is 36272528.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (825272639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23051 + ... + 46710.
It is an arithmetic number, because the mean of its divisors is an integer number (38299338).
Almost surely, 2825272630 is an apocalyptic number.
825272630 is an abundant number, since it is smaller than the sum of its proper divisors (1013095594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
825272630 is a wasteful number, since it uses less digits than its factorization.
825272630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69801 (or 69788 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 35.
The square root of 825272630 is about 28727.5587198077. The cubic root of 825272630 is about 937.9920280645.
The spelling of 825272630 in words is "eight hundred twenty-five million, two hundred seventy-two thousand, six hundred thirty".
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