Base | Representation |
---|---|
bin | 101100010100… |
… | …1001001000110 |
3 | 1121201120102200 |
4 | 1120221021012 |
5 | 21422042230 |
6 | 2150015330 |
7 | 401340624 |
oct | 130511106 |
9 | 47646380 |
10 | 23237190 |
11 | 12131499 |
12 | 7947546 |
13 | 4a77a22 |
14 | 312c514 |
15 | 2090160 |
hex | 1629246 |
23237190 has 96 divisors (see below), whose sum is σ = 64696320. Its totient is φ = 5769792.
The previous prime is 23237189. The next prime is 23237191. The reversal of 23237190 is 9173232.
It is an interprime number because it is at equal distance from previous prime (23237189) and next prime (23237191).
It is a super-2 number, since 2×232371902 = 1079933998192200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23237191) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182907 + ... + 183033.
It is an arithmetic number, because the mean of its divisors is an integer number (673920).
It is a vampire number, since it can be written as 3210 ⋅ 7239 (with its own digits).
Almost surely, 223237190 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23237190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32348160).
23237190 is an abundant number, since it is smaller than the sum of its proper divisors (41459130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23237190 is a wasteful number, since it uses less digits than its factorization.
23237190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 266 (or 263 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 23237190 is about 4820.4968623577. The cubic root of 23237190 is about 285.3609461854.
The spelling of 23237190 in words is "twenty-three million, two hundred thirty-seven thousand, one hundred ninety".
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