Base | Representation |
---|---|
bin | 101110010110… |
… | …111011010100 |
3 | 211212102010210 |
4 | 232112323110 |
5 | 11102340112 |
6 | 1112245420 |
7 | 205203060 |
oct | 56267324 |
9 | 24772123 |
10 | 12152532 |
11 | 6950417 |
12 | 40a0870 |
13 | 2696562 |
14 | 1884aa0 |
15 | 1100b3c |
hex | b96ed4 |
12152532 has 48 divisors (see below), whose sum is σ = 32614400. Its totient is φ = 3449952.
The previous prime is 12152513. The next prime is 12152549. The reversal of 12152532 is 23525121.
It is a super-2 number, since 2×121525322 = 295368068022048, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 12152499 and 12152508.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16353 + ... + 17079.
Almost surely, 212152532 is an apocalyptic number.
12152532 is a gapful number since it is divisible by the number (12) 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 12152532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16307200).
12152532 is an abundant number, since it is smaller than the sum of its proper divisors (20461868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12152532 is a wasteful number, since it uses less digits than its factorization.
12152532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 940 (or 938 counting only the distinct ones).
The product of its digits is 600, while the sum is 21.
The square root of 12152532 is about 3486.0481924380. The cubic root of 12152532 is about 229.9087981190.
Adding to 12152532 its reverse (23525121), we get a palindrome (35677653).
The spelling of 12152532 in words is "twelve million, one hundred fifty-two thousand, five hundred thirty-two".
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