Base | Representation |
---|---|
bin | 1111110111010… |
… | …00011001100101 |
3 | 100021101210010120 |
4 | 13323220121211 |
5 | 233031304420 |
6 | 21112112153 |
7 | 3204045300 |
oct | 773503145 |
9 | 307353116 |
10 | 133072485 |
11 | 69130367 |
12 | 38695659 |
13 | 21753120 |
14 | 1395db37 |
15 | ba38d40 |
hex | 7ee8665 |
133072485 has 96 divisors (see below), whose sum is σ = 281151360. Its totient is φ = 53125632.
The previous prime is 133072483. The next prime is 133072501. The reversal of 133072485 is 584270331.
It is not a de Polignac number, because 133072485 - 21 = 133072483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (133072483) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 181179 + ... + 181911.
It is an arithmetic number, because the mean of its divisors is an integer number (2928660).
Almost surely, 2133072485 is an apocalyptic number.
133072485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
133072485 is an abundant number, since it is smaller than the sum of its proper divisors (148078875).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133072485 is a wasteful number, since it uses less digits than its factorization.
133072485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 787 (or 780 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 133072485 is about 11535.7047899121. The cubic root of 133072485 is about 510.5395865409.
The spelling of 133072485 in words is "one hundred thirty-three million, seventy-two thousand, four hundred eighty-five".
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