Base | Representation |
---|---|
bin | 1111110001011… |
… | …10100101111101 |
3 | 100012222010011000 |
4 | 13320232211331 |
5 | 232332431141 |
6 | 21043520513 |
7 | 3164425404 |
oct | 770564575 |
9 | 305863130 |
10 | 132311421 |
11 | 68760590 |
12 | 38389139 |
13 | 215478a8 |
14 | 1380263b |
15 | b9385b6 |
hex | 7e2e97d |
132311421 has 32 divisors (see below), whose sum is σ = 225100800. Its totient is φ = 75965040.
The previous prime is 132311393. The next prime is 132311423. The reversal of 132311421 is 124113231.
132311421 is a `hidden beast` number, since 13 + 231 + 1 + 421 = 666.
It is not a de Polignac number, because 132311421 - 210 = 132310397 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 132311394 and 132311403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132311423) 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, 6081 + ... + 17366.
It is an arithmetic number, because the mean of its divisors is an integer number (7034400).
Almost surely, 2132311421 is an apocalyptic number.
132311421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
132311421 is a deficient number, since it is larger than the sum of its proper divisors (92789379).
132311421 is a wasteful number, since it uses less digits than its factorization.
132311421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23486 (or 23480 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 132311421 is about 11502.6701682696. The cubic root of 132311421 is about 509.5644378054.
Adding to 132311421 its reverse (124113231), we get a palindrome (256424652).
The spelling of 132311421 in words is "one hundred thirty-two million, three hundred eleven thousand, four hundred twenty-one".
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