Base | Representation |
---|---|
bin | 1010110010001… |
… | …0110001101010 |
3 | 10011002222120000 |
4 | 2230202301222 |
5 | 43034344320 |
6 | 4253243430 |
7 | 1056313263 |
oct | 254426152 |
9 | 104088500 |
10 | 45231210 |
11 | 23593972 |
12 | 13193576 |
13 | 94a893b |
14 | 601596a |
15 | 3e86c90 |
hex | 2b22c6a |
45231210 has 80 divisors (see below), whose sum is σ = 128066400. Its totient is φ = 11422944.
The previous prime is 45231209. The next prime is 45231211. The reversal of 45231210 is 1213254.
45231210 is a `hidden beast` number, since 452 + 3 + 1 + 210 = 666.
It is an interprime number because it is at equal distance from previous prime (45231209) and next prime (45231211).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (45231211) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13921 + ... + 16859.
It is an arithmetic number, because the mean of its divisors is an integer number (1600830).
Almost surely, 245231210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 45231210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64033200).
45231210 is an abundant number, since it is smaller than the sum of its proper divisors (82835190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45231210 is a wasteful number, since it uses less digits than its factorization.
45231210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2977 (or 2968 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 45231210 is about 6725.4152288167. The cubic root of 45231210 is about 356.2974673593.
Adding to 45231210 its reverse (1213254), we get a palindrome (46444464).
The spelling of 45231210 in words is "forty-five million, two hundred thirty-one thousand, two hundred ten".
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