Base | Representation |
---|---|
bin | 1010001110011… |
… | …00101001111101 |
3 | 12222101201100000 |
4 | 11013030221331 |
5 | 133424213200 |
6 | 12302224513 |
7 | 2061025560 |
oct | 507145175 |
9 | 188351300 |
10 | 85772925 |
11 | 44464517 |
12 | 24885139 |
13 | 14a01c14 |
14 | b56a4d7 |
15 | 77e4300 |
hex | 51cca7d |
85772925 has 72 divisors (see below), whose sum is σ = 182168896. Its totient is φ = 39191040.
The previous prime is 85772891. The next prime is 85772927. The reversal of 85772925 is 52927758.
It is a happy number.
It is not a de Polignac number, because 85772925 - 211 = 85770877 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85772927) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 41517 + ... + 43533.
Almost surely, 285772925 is an apocalyptic number.
It is an amenable number.
85772925 is an abundant number, since it is smaller than the sum of its proper divisors (96395971).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85772925 is a wasteful number, since it uses less digits than its factorization.
85772925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2049 (or 2032 counting only the distinct ones).
The product of its digits is 352800, while the sum is 45.
The square root of 85772925 is about 9261.3673396535. The cubic root of 85772925 is about 441.0116614992.
The spelling of 85772925 in words is "eighty-five million, seven hundred seventy-two thousand, nine hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •