Base | Representation |
---|---|
bin | 1111110010011… |
… | …10101110010111 |
3 | 100020012210200110 |
4 | 13321032232113 |
5 | 232401134111 |
6 | 21050414103 |
7 | 3165514200 |
oct | 771165627 |
9 | 306183613 |
10 | 132443031 |
11 | 68840456 |
12 | 38431333 |
13 | 21592776 |
14 | 138385a7 |
15 | b9625a6 |
hex | 7e4eb97 |
132443031 has 12 divisors (see below), whose sum is σ = 205422072. Its totient is φ = 75681648.
The previous prime is 132443027. The next prime is 132443041. The reversal of 132443031 is 130344231.
It is not a de Polignac number, because 132443031 - 22 = 132443027 is a prime.
It is a super-2 number, since 2×1324430312 = 35082312920933922, 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 = 132442989 and 132443007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132443041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450340 + ... + 450633.
It is an arithmetic number, because the mean of its divisors is an integer number (17118506).
Almost surely, 2132443031 is an apocalyptic number.
132443031 is a deficient number, since it is larger than the sum of its proper divisors (72979041).
132443031 is an equidigital number, since it uses as much as digits as its factorization.
132443031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 900990 (or 900983 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 132443031 is about 11508.3895919455. The cubic root of 132443031 is about 509.7333361800.
Adding to 132443031 its reverse (130344231), we get a palindrome (262787262).
The spelling of 132443031 in words is "one hundred thirty-two million, four hundred forty-three thousand, thirty-one".
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