Base | Representation |
---|---|
bin | 101100010010… |
… | …1110111011010 |
3 | 1121200220000122 |
4 | 1120211313122 |
5 | 21421130040 |
6 | 2145433242 |
7 | 401253533 |
oct | 130456732 |
9 | 47626018 |
10 | 23223770 |
11 | 121223a9 |
12 | 793b822 |
13 | 4a7189b |
14 | 312768a |
15 | 208b1b5 |
hex | 1625dda |
23223770 has 8 divisors (see below), whose sum is σ = 41802804. Its totient is φ = 9289504.
The previous prime is 23223769. The next prime is 23223773. The reversal of 23223770 is 7732232.
It can be written as a sum of positive squares in 2 ways, for example, as 18809569 + 4414201 = 4337^2 + 2101^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-4 number, since 4×232237704 (a number of 31 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (23223773) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161179 + ... + 1161198.
Almost surely, 223223770 is an apocalyptic number.
23223770 is a deficient number, since it is larger than the sum of its proper divisors (18579034).
23223770 is a wasteful number, since it uses less digits than its factorization.
23223770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2322384.
The product of its (nonzero) digits is 3528, while the sum is 26.
The square root of 23223770 is about 4819.1046886325. The cubic root of 23223770 is about 285.3060014847.
The spelling of 23223770 in words is "twenty-three million, two hundred twenty-three thousand, seven hundred seventy".
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