Base | Representation |
---|---|
bin | 1111111101101… |
… | …00010111100101 |
3 | 100022222020011101 |
4 | 13332310113211 |
5 | 233240023231 |
6 | 21142040101 |
7 | 3214125106 |
oct | 776642745 |
9 | 308866141 |
10 | 133907941 |
11 | 69651022 |
12 | 38a19031 |
13 | 2198648b |
14 | 13ada3ad |
15 | bb51661 |
hex | 7fb45e5 |
133907941 has 8 divisors (see below), whose sum is σ = 138509568. Its totient is φ = 129324000.
The previous prime is 133907933. The next prime is 133907947. The reversal of 133907941 is 149709331.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 133907941 - 23 = 133907933 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 133907941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133907947) 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, 12006 + ... + 20296.
It is an arithmetic number, because the mean of its divisors is an integer number (17313696).
Almost surely, 2133907941 is an apocalyptic number.
It is an amenable number.
133907941 is a deficient number, since it is larger than the sum of its proper divisors (4601627).
133907941 is an equidigital number, since it uses as much as digits as its factorization.
133907941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8843.
The product of its (nonzero) digits is 20412, while the sum is 37.
The square root of 133907941 is about 11571.8598764416. The cubic root of 133907941 is about 511.6057820064.
The spelling of 133907941 in words is "one hundred thirty-three million, nine hundred seven thousand, nine hundred forty-one".
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