Base | Representation |
---|---|
bin | 101011111010… |
… | …0110100010110 |
3 | 1121022200102220 |
4 | 1113310310112 |
5 | 21343212440 |
6 | 2141243210 |
7 | 366456033 |
oct | 127646426 |
9 | 47280386 |
10 | 23022870 |
11 | 11aa5472 |
12 | 7863506 |
13 | 4a01300 |
14 | 30b438a |
15 | 204b8d0 |
hex | 15f4d16 |
23022870 has 96 divisors (see below), whose sum is σ = 63244800. Its totient is φ = 5346432.
The previous prime is 23022859. The next prime is 23022887. The reversal of 23022870 is 7822032.
It is a self number, because there is not a number n which added to its sum of digits gives 23022870.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96211 + ... + 96449.
It is an arithmetic number, because the mean of its divisors is an integer number (658800).
Almost surely, 223022870 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23022870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31622400).
23022870 is an abundant number, since it is smaller than the sum of its proper divisors (40221930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23022870 is a wasteful number, since it uses less digits than its factorization.
23022870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294 (or 281 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 23022870 is about 4798.2152932106. The cubic root of 23022870 is about 284.4809265250.
The spelling of 23022870 in words is "twenty-three million, twenty-two thousand, eight hundred seventy".
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