Base | Representation |
---|---|
bin | 1000101011110… |
… | …10101011011000 |
3 | 12002002101012220 |
4 | 10111322223120 |
5 | 122122313412 |
6 | 11121304040 |
7 | 1543152003 |
oct | 425725330 |
9 | 162071186 |
10 | 72854232 |
11 | 38140510 |
12 | 20495020 |
13 | 1212aa19 |
14 | 996653a |
15 | 65e168c |
hex | 457aad8 |
72854232 has 32 divisors (see below), whose sum is σ = 198694080. Its totient is φ = 22076960.
The previous prime is 72854213. The next prime is 72854233. The reversal of 72854232 is 23245827.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 72854193 and 72854202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72854233) 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, 137718 + ... + 138245.
It is an arithmetic number, because the mean of its divisors is an integer number (6209190).
Almost surely, 272854232 is an apocalyptic number.
It is an amenable number.
72854232 is an abundant number, since it is smaller than the sum of its proper divisors (125839848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72854232 is a wasteful number, since it uses less digits than its factorization.
72854232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275983 (or 275979 counting only the distinct ones).
The product of its digits is 26880, while the sum is 33.
The square root of 72854232 is about 8535.4690556524. The cubic root of 72854232 is about 417.6555544036.
The spelling of 72854232 in words is "seventy-two million, eight hundred fifty-four thousand, two hundred thirty-two".
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