Base | Representation |
---|---|
bin | 101100001100… |
… | …0110001101000 |
3 | 1121121011110210 |
4 | 1120120301220 |
5 | 21412421102 |
6 | 2144341120 |
7 | 400641315 |
oct | 130306150 |
9 | 47534423 |
10 | 23170152 |
11 | 12096095 |
12 | 79147a0 |
13 | 4a53365 |
14 | 3111d0c |
15 | 207a36c |
hex | 1618c68 |
23170152 has 16 divisors (see below), whose sum is σ = 57925440. Its totient is φ = 7723376.
The previous prime is 23170151. The next prime is 23170157. The reversal of 23170152 is 25107132.
It is not an unprimeable number, because it can be changed into a prime (23170151) 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, 482688 + ... + 482735.
It is an arithmetic number, because the mean of its divisors is an integer number (3620340).
Almost surely, 223170152 is an apocalyptic number.
It is an amenable number.
23170152 is an abundant number, since it is smaller than the sum of its proper divisors (34755288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23170152 is a wasteful number, since it uses less digits than its factorization.
23170152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 965432 (or 965428 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 23170152 is about 4813.5384074504. The cubic root of 23170152 is about 285.0862650528.
Adding to 23170152 its reverse (25107132), we get a palindrome (48277284).
The spelling of 23170152 in words is "twenty-three million, one hundred seventy thousand, one hundred fifty-two".
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