Base | Representation |
---|---|
bin | 1000100111000… |
… | …01100011100011 |
3 | 12000220111212200 |
4 | 10103201203203 |
5 | 121442231133 |
6 | 11100024243 |
7 | 1534630320 |
oct | 423414343 |
9 | 160814780 |
10 | 72227043 |
11 | 37852279 |
12 | 20232083 |
13 | 11c6b3c5 |
14 | 9841b47 |
15 | 651a913 |
hex | 44e18e3 |
72227043 has 12 divisors (see below), whose sum is σ = 119232048. Its totient is φ = 41272560.
The previous prime is 72227039. The next prime is 72227047. The reversal of 72227043 is 34072227.
It is an interprime number because it is at equal distance from previous prime (72227039) and next prime (72227047).
It is not a de Polignac number, because 72227043 - 22 = 72227039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72226998 and 72227016.
It is not an unprimeable number, because it can be changed into a prime (72227047) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573168 + ... + 573293.
It is an arithmetic number, because the mean of its divisors is an integer number (9936004).
Almost surely, 272227043 is an apocalyptic number.
72227043 is a deficient number, since it is larger than the sum of its proper divisors (47005005).
72227043 is a wasteful number, since it uses less digits than its factorization.
72227043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1146474 (or 1146471 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 27.
The square root of 72227043 is about 8498.6494809470. The cubic root of 72227043 is about 416.4535913938.
The spelling of 72227043 in words is "seventy-two million, two hundred twenty-seven thousand, forty-three".
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