Base | Representation |
---|---|
bin | 1000100101100… |
… | …00101011000111 |
3 | 12000112100020010 |
4 | 10102300223013 |
5 | 121414324243 |
6 | 11051441303 |
7 | 1533134511 |
oct | 422605307 |
9 | 160470203 |
10 | 72026823 |
11 | 37725900 |
12 | 20156233 |
13 | 11bcb22b |
14 | 97ccbb1 |
15 | 64cb433 |
hex | 44b0ac7 |
72026823 has 24 divisors (see below), whose sum is σ = 110162304. Its totient is φ = 41749840.
The previous prime is 72026821. The next prime is 72026839. The reversal of 72026823 is 32862027.
It is not a de Polignac number, because 72026823 - 21 = 72026821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72026821) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4036 + ... + 12662.
It is an arithmetic number, because the mean of its divisors is an integer number (4590096).
Almost surely, 272026823 is an apocalyptic number.
72026823 is a deficient number, since it is larger than the sum of its proper divisors (38135481).
72026823 is a wasteful number, since it uses less digits than its factorization.
72026823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8675 (or 8664 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 72026823 is about 8486.8617874925. The cubic root of 72026823 is about 416.0684193893.
The spelling of 72026823 in words is "seventy-two million, twenty-six thousand, eight hundred twenty-three".
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