Base | Representation |
---|---|
bin | 1000101000011… |
… | …10110001111101 |
3 | 12001020220222111 |
4 | 10110032301331 |
5 | 122014143120 |
6 | 11104014021 |
7 | 1536331351 |
oct | 424166175 |
9 | 161226874 |
10 | 72412285 |
11 | 37969470 |
12 | 20301311 |
13 | 1200480a |
14 | 988d461 |
15 | 655575a |
hex | 450ec7d |
72412285 has 16 divisors (see below), whose sum is σ = 94960512. Its totient is φ = 52571200.
The previous prime is 72412283. The next prime is 72412339. The reversal of 72412285 is 58221427.
It is a happy number.
It is not a de Polignac number, because 72412285 - 21 = 72412283 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72412283) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56067 + ... + 57343.
It is an arithmetic number, because the mean of its divisors is an integer number (5935032).
Almost surely, 272412285 is an apocalyptic number.
It is an amenable number.
72412285 is a deficient number, since it is larger than the sum of its proper divisors (22548227).
72412285 is a wasteful number, since it uses less digits than its factorization.
72412285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2324.
The product of its digits is 8960, while the sum is 31.
The square root of 72412285 is about 8509.5408219245. The cubic root of 72412285 is about 416.8093161349.
The spelling of 72412285 in words is "seventy-two million, four hundred twelve thousand, two hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •