Base | Representation |
---|---|
bin | 1000101001000… |
… | …00001111110111 |
3 | 12001101120010100 |
4 | 10110200033313 |
5 | 122023440311 |
6 | 11105325143 |
7 | 1540050060 |
oct | 424401767 |
9 | 161346110 |
10 | 72483831 |
11 | 37a081a2 |
12 | 203367b3 |
13 | 1202b254 |
14 | 98ab567 |
15 | 656ba56 |
hex | 45203f7 |
72483831 has 12 divisors (see below), whose sum is σ = 119655952. Its totient is φ = 41419296.
The previous prime is 72483811. The next prime is 72483839. The reversal of 72483831 is 13838427.
It is not a de Polignac number, because 72483831 - 210 = 72482807 is a prime.
It is a super-2 number, since 2×724838312 = 10507811512873122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72483839) 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 11 ways as a sum of consecutive naturals, for example, 575206 + ... + 575331.
Almost surely, 272483831 is an apocalyptic number.
72483831 is a deficient number, since it is larger than the sum of its proper divisors (47172121).
72483831 is a wasteful number, since it uses less digits than its factorization.
72483831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1150550 (or 1150547 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 72483831 is about 8513.7436536461. The cubic root of 72483831 is about 416.9465452588.
The spelling of 72483831 in words is "seventy-two million, four hundred eighty-three thousand, eight hundred thirty-one".
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