Base | Representation |
---|---|
bin | 1111101111001… |
… | …00011000000100 |
3 | 100012101200011000 |
4 | 13313210120010 |
5 | 232243214203 |
6 | 21033213300 |
7 | 3162021210 |
oct | 767443004 |
9 | 305350130 |
10 | 132007428 |
11 | 68573153 |
12 | 38261230 |
13 | 2146c407 |
14 | 13763940 |
15 | b8c84a3 |
hex | 7de4604 |
132007428 has 48 divisors (see below), whose sum is σ = 391135360. Its totient is φ = 37716192.
The previous prime is 132007427. The next prime is 132007429. The reversal of 132007428 is 824700231.
It is an interprime number because it is at equal distance from previous prime (132007427) and next prime (132007429).
It is a super-2 number, since 2×1320074282 = 34851922094350368, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (132007423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86551 + ... + 88062.
Almost surely, 2132007428 is an apocalyptic number.
132007428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
132007428 is an abundant number, since it is smaller than the sum of its proper divisors (259127932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132007428 is a wasteful number, since it uses less digits than its factorization.
132007428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174633 (or 174625 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 132007428 is about 11489.4485507356. The cubic root of 132007428 is about 509.1738874754.
Adding to 132007428 its reverse (824700231), we get a palindrome (956707659).
The spelling of 132007428 in words is "one hundred thirty-two million, seven thousand, four hundred twenty-eight".
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