Base | Representation |
---|---|
bin | 101101010101… |
… | …1010001011110 |
3 | 1122201122121000 |
4 | 1122223101132 |
5 | 22041121311 |
6 | 2205251130 |
7 | 406020615 |
oct | 132532136 |
9 | 48648530 |
10 | 23770206 |
11 | 124659a9 |
12 | 7b63aa6 |
13 | 4c03515 |
14 | 322a87c |
15 | 2148056 |
hex | 16ab45e |
23770206 has 32 divisors (see below), whose sum is σ = 54254880. Its totient is φ = 7708608.
The previous prime is 23770189. The next prime is 23770207. The reversal of 23770206 is 60207732.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 23770206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23770207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3951 + ... + 7946.
It is an arithmetic number, because the mean of its divisors is an integer number (1695465).
Almost surely, 223770206 is an apocalyptic number.
23770206 is an abundant number, since it is smaller than the sum of its proper divisors (30484674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23770206 is a wasteful number, since it uses less digits than its factorization.
23770206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11945 (or 11939 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 27.
The square root of 23770206 is about 4875.4698235144. The cubic root of 23770206 is about 287.5263481838.
Adding to 23770206 its reverse (60207732), we get a palindrome (83977938).
The spelling of 23770206 in words is "twenty-three million, seven hundred seventy thousand, two hundred six".
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