Base | Representation |
---|---|
bin | 1000100111000… |
… | …00110101010011 |
3 | 12000220100211001 |
4 | 10103200311103 |
5 | 121442132313 |
6 | 11100002431 |
7 | 1534615561 |
oct | 423406523 |
9 | 160810731 |
10 | 72224083 |
11 | 37850028 |
12 | 20230417 |
13 | 11c69c59 |
14 | 9840a31 |
15 | 6519add |
hex | 44e0d53 |
72224083 has 16 divisors (see below), whose sum is σ = 76456800. Its totient is φ = 68152320.
The previous prime is 72224059. The next prime is 72224137. The reversal of 72224083 is 38042227.
It is a cyclic number.
It is not a de Polignac number, because 72224083 - 25 = 72224051 is a prime.
It is not an unprimeable number, because it can be changed into a prime (72224003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176383 + ... + 176791.
It is an arithmetic number, because the mean of its divisors is an integer number (4778550).
Almost surely, 272224083 is an apocalyptic number.
72224083 is a gapful number since it is divisible by the number (73) formed by its first and last digit.
72224083 is a deficient number, since it is larger than the sum of its proper divisors (4232717).
72224083 is a wasteful number, since it uses less digits than its factorization.
72224083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 582.
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 72224083 is about 8498.4753338467. The cubic root of 72224083 is about 416.4479022990.
The spelling of 72224083 in words is "seventy-two million, two hundred twenty-four thousand, eighty-three".
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