Base | Representation |
---|---|
bin | 1111100011010… |
… | …0000101110000 |
3 | 11112201202222102 |
4 | 3320310011300 |
5 | 113144200242 |
6 | 10245555532 |
7 | 1421255363 |
oct | 370640560 |
9 | 145652872 |
10 | 65225072 |
11 | 338aa620 |
12 | 19a15ba8 |
13 | 10689323 |
14 | 893c0da |
15 | 5ad5e32 |
hex | 3e34170 |
65225072 has 20 divisors (see below), whose sum is σ = 137862456. Its totient is φ = 29647680.
The previous prime is 65225071. The next prime is 65225077. The reversal of 65225072 is 27052256.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65225071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185123 + ... + 185474.
Almost surely, 265225072 is an apocalyptic number.
It is an amenable number.
65225072 is an abundant number, since it is smaller than the sum of its proper divisors (72637384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65225072 is a wasteful number, since it uses less digits than its factorization.
65225072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370616 (or 370610 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 65225072 is about 8076.2040588385. The cubic root of 65225072 is about 402.5361195934.
The spelling of 65225072 in words is "sixty-five million, two hundred twenty-five thousand, seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •