Base | Representation |
---|---|
bin | 1000100110100… |
… | …01111011010000 |
3 | 12000210021001121 |
4 | 10103101323100 |
5 | 121433204044 |
6 | 11054412024 |
7 | 1534242553 |
oct | 423217320 |
9 | 160707047 |
10 | 72163024 |
11 | 3780916a |
12 | 20201014 |
13 | 11c4821b |
14 | 982669a |
15 | 6506984 |
hex | 44d1ed0 |
72163024 has 40 divisors (see below), whose sum is σ = 145506560. Its totient is φ = 34639488.
The previous prime is 72162989. The next prime is 72163031. The reversal of 72163024 is 42036127.
It is a self number, because there is not a number n which added to its sum of digits gives 72163024.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45997 + ... + 47539.
It is an arithmetic number, because the mean of its divisors is an integer number (3637664).
Almost surely, 272163024 is an apocalyptic number.
72163024 is a gapful number since it is divisible by the number (74) formed by its first and last digit.
It is an amenable number.
72163024 is an abundant number, since it is smaller than the sum of its proper divisors (73343536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72163024 is a wasteful number, since it uses less digits than its factorization.
72163024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1667 (or 1661 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 72163024 is about 8494.8822240217. The cubic root of 72163024 is about 416.3305127320.
The spelling of 72163024 in words is "seventy-two million, one hundred sixty-three thousand, twenty-four".
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