Base | Representation |
---|---|
bin | 1000101011100… |
… | …11001011000000 |
3 | 12002000211001020 |
4 | 10111303023000 |
5 | 122120322423 |
6 | 11120505440 |
7 | 1542663243 |
oct | 425631300 |
9 | 162024036 |
10 | 72823488 |
11 | 3811a401 |
12 | 2047b280 |
13 | 12119a2a |
14 | 995925a |
15 | 65d74e3 |
hex | 45732c0 |
72823488 has 28 divisors (see below), whose sum is σ = 192679320. Its totient is φ = 24274432.
The previous prime is 72823483. The next prime is 72823501. The reversal of 72823488 is 88432827.
It is a super-2 number, since 2×728234882 = 10606520808972288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (72823483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189453 + ... + 189836.
Almost surely, 272823488 is an apocalyptic number.
It is an amenable number.
72823488 is an abundant number, since it is smaller than the sum of its proper divisors (119855832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72823488 is a wasteful number, since it uses less digits than its factorization.
72823488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 379304 (or 379294 counting only the distinct ones).
The product of its digits is 172032, while the sum is 42.
The square root of 72823488 is about 8533.6679101076. The cubic root of 72823488 is about 417.5967968516.
The spelling of 72823488 in words is "seventy-two million, eight hundred twenty-three thousand, four hundred eighty-eight".
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