Base | Representation |
---|---|
bin | 101011111011… |
… | …1000101011000 |
3 | 1121100011011200 |
4 | 1113313011120 |
5 | 21344012102 |
6 | 2141354200 |
7 | 366525063 |
oct | 127670530 |
9 | 47304150 |
10 | 23032152 |
11 | 12001440 |
12 | 7868960 |
13 | 4a055c0 |
14 | 30b78da |
15 | 204e51c |
hex | 15f7158 |
23032152 has 96 divisors (see below), whose sum is σ = 73316880. Its totient is φ = 6439680.
The previous prime is 23032151. The next prime is 23032153. The reversal of 23032152 is 25123032.
It is an interprime number because it is at equal distance from previous prime (23032151) and next prime (23032153).
It is a super-2 number, since 2×230321522 = 1060960051502208, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23032151) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9178 + ... + 11414.
Almost surely, 223032152 is an apocalyptic number.
23032152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23032152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36658440).
23032152 is an abundant number, since it is smaller than the sum of its proper divisors (50284728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23032152 is a wasteful number, since it uses less digits than its factorization.
23032152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2273 (or 2266 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 23032152 is about 4799.1824303729. The cubic root of 23032152 is about 284.5191522426.
Adding to 23032152 its reverse (25123032), we get a palindrome (48155184).
The spelling of 23032152 in words is "twenty-three million, thirty-two thousand, one hundred fifty-two".
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