Base | Representation |
---|---|
bin | 1111110011001… |
… | …00001101000111 |
3 | 100020101021101010 |
4 | 13321210031013 |
5 | 232411443030 |
6 | 21052333303 |
7 | 3166331541 |
oct | 771441507 |
9 | 306337333 |
10 | 132531015 |
11 | 688a0571 |
12 | 38474233 |
13 | 215c3826 |
14 | 1385c691 |
15 | b97d6b0 |
hex | 7e64347 |
132531015 has 32 divisors (see below), whose sum is σ = 220608000. Its totient is φ = 67858560.
The previous prime is 132531013. The next prime is 132531017. The reversal of 132531015 is 510135231.
It is an interprime number because it is at equal distance from previous prime (132531013) and next prime (132531017).
It is not a de Polignac number, because 132531015 - 21 = 132531013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 132530982 and 132531000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132531011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85800 + ... + 87330.
It is an arithmetic number, because the mean of its divisors is an integer number (6894000).
Almost surely, 2132531015 is an apocalyptic number.
132531015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
132531015 is a deficient number, since it is larger than the sum of its proper divisors (88076985).
132531015 is a wasteful number, since it uses less digits than its factorization.
132531015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1767.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 132531015 is about 11512.2115599046. The cubic root of 132531015 is about 509.8461858332.
Adding to 132531015 its reverse (510135231), we get a palindrome (642666246).
The spelling of 132531015 in words is "one hundred thirty-two million, five hundred thirty-one thousand, fifteen".
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