Base | Representation |
---|---|
bin | 1000101100000… |
… | …10100101111101 |
3 | 12002011000200200 |
4 | 10112002211331 |
5 | 122124333103 |
6 | 11122114113 |
7 | 1543345350 |
oct | 426024575 |
9 | 162130620 |
10 | 72886653 |
11 | 38162904 |
12 | 204ab939 |
13 | 1213c6c8 |
14 | 9974297 |
15 | 65eb0a3 |
hex | 458297d |
72886653 has 24 divisors (see below), whose sum is σ = 122366400. Its totient is φ = 40941504.
The previous prime is 72886601. The next prime is 72886661. The reversal of 72886653 is 35668827.
It is not a de Polignac number, because 72886653 - 29 = 72886141 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72886599 and 72886608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72886453) 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, 6088 + ... + 13521.
It is an arithmetic number, because the mean of its divisors is an integer number (5098600).
Almost surely, 272886653 is an apocalyptic number.
It is an amenable number.
72886653 is a deficient number, since it is larger than the sum of its proper divisors (49479747).
72886653 is a wasteful number, since it uses less digits than its factorization.
72886653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19681 (or 19678 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 72886653 is about 8537.3680370475. The cubic root of 72886653 is about 417.7174991127.
The spelling of 72886653 in words is "seventy-two million, eight hundred eighty-six thousand, six hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •