Base | Representation |
---|---|
bin | 1000101000000… |
… | …11100000111000 |
3 | 12001011120200021 |
4 | 10110003200320 |
5 | 122011204021 |
6 | 11103020224 |
7 | 1536046663 |
oct | 424034070 |
9 | 161146607 |
10 | 72366136 |
11 | 37937827 |
12 | 2029a674 |
13 | 11cb97cb |
14 | 987a6da |
15 | 6546c41 |
hex | 4503838 |
72366136 has 32 divisors (see below), whose sum is σ = 147762000. Its totient is φ = 33094656.
The previous prime is 72366109. The next prime is 72366139. The reversal of 72366136 is 63166327.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72366139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3801 + ... + 12616.
Almost surely, 272366136 is an apocalyptic number.
72366136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.
It is an amenable number.
72366136 is an abundant number, since it is smaller than the sum of its proper divisors (75395864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72366136 is a wasteful number, since it uses less digits than its factorization.
72366136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16471 (or 16467 counting only the distinct ones).
The product of its digits is 27216, while the sum is 34.
The square root of 72366136 is about 8506.8287863340. The cubic root of 72366136 is about 416.7207518770.
The spelling of 72366136 in words is "seventy-two million, three hundred sixty-six thousand, one hundred thirty-six".
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