Base | Representation |
---|---|
bin | 101100001010… |
… | …0000111010100 |
3 | 1121120012021200 |
4 | 1120110013110 |
5 | 21411313220 |
6 | 2144112500 |
7 | 400531542 |
oct | 130240724 |
9 | 47505250 |
10 | 23151060 |
11 | 12082809 |
12 | 7905730 |
13 | 4a4776a |
14 | 3108d92 |
15 | 2074890 |
hex | 16141d4 |
23151060 has 72 divisors (see below), whose sum is σ = 71960616. Its totient is φ = 6021120.
The previous prime is 23151047. The next prime is 23151061. The reversal of 23151060 is 6015132.
It can be written as a sum of positive squares in 4 ways, for example, as 3755844 + 19395216 = 1938^2 + 4404^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23151061) 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, 5812 + ... + 8948.
It is an arithmetic number, because the mean of its divisors is an integer number (999453).
Almost surely, 223151060 is an apocalyptic number.
23151060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23151060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35980308).
23151060 is an abundant number, since it is smaller than the sum of its proper divisors (48809556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23151060 is a wasteful number, since it uses less digits than its factorization.
23151060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3193 (or 3188 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 23151060 is about 4811.5548422521. The cubic root of 23151060 is about 285.0079406836.
Adding to 23151060 its reverse (6015132), we get a palindrome (29166192).
It can be divided in two parts, 2315 and 1060, that added together give a cube (3375 = 153).
The spelling of 23151060 in words is "twenty-three million, one hundred fifty-one thousand, sixty".
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