Base | Representation |
---|---|
bin | 1111110000110… |
… | …00100001100111 |
3 | 100012210112011020 |
4 | 13320120201213 |
5 | 232322033111 |
6 | 21041542223 |
7 | 3163601025 |
oct | 770304147 |
9 | 305715136 |
10 | 132221031 |
11 | 686a9688 |
12 | 38344973 |
13 | 215156c7 |
14 | 137bb715 |
15 | b91b906 |
hex | 7e18867 |
132221031 has 8 divisors (see below), whose sum is σ = 178710000. Its totient is φ = 86939712.
The previous prime is 132221021. The next prime is 132221039. The reversal of 132221031 is 130122231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 132221031 - 25 = 132220999 is a prime.
It is a super-2 number, since 2×1322210312 = 34964802077405922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 132221031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132221039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301656 + ... + 302093.
It is an arithmetic number, because the mean of its divisors is an integer number (22338750).
Almost surely, 2132221031 is an apocalyptic number.
132221031 is a deficient number, since it is larger than the sum of its proper divisors (46488969).
132221031 is an equidigital number, since it uses as much as digits as its factorization.
132221031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 603825.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 132221031 is about 11498.7404092796. The cubic root of 132221031 is about 509.4483731909.
Adding to 132221031 its reverse (130122231), we get a palindrome (262343262).
The spelling of 132221031 in words is "one hundred thirty-two million, two hundred twenty-one thousand, thirty-one".
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