Base | Representation |
---|---|
bin | 1111111100011… |
… | …10010011011001 |
3 | 100022200022021201 |
4 | 13332032103121 |
5 | 233220031100 |
6 | 21134434201 |
7 | 3212605411 |
oct | 776162331 |
9 | 308608251 |
10 | 133752025 |
11 | 69554970 |
12 | 38962961 |
13 | 21930514 |
14 | 13a99641 |
15 | bb2036a |
hex | 7f8e4d9 |
133752025 has 24 divisors (see below), whose sum is σ = 182184768. Its totient is φ = 96600000.
The previous prime is 133752007. The next prime is 133752029. The reversal of 133752025 is 520257331.
It is not a de Polignac number, because 133752025 - 25 = 133751993 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 133751984 and 133752002.
It is not an unprimeable number, because it can be changed into a prime (133752029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39915 + ... + 43135.
It is an arithmetic number, because the mean of its divisors is an integer number (7591032).
Almost surely, 2133752025 is an apocalyptic number.
It is an amenable number.
133752025 is a deficient number, since it is larger than the sum of its proper divisors (48432743).
133752025 is a wasteful number, since it uses less digits than its factorization.
133752025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3393 (or 3388 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 28.
The square root of 133752025 is about 11565.1210542735. The cubic root of 133752025 is about 511.4071417920.
It can be divided in two parts, 13375 and 2025, that added together give a triangular number (15400 = T175).
The spelling of 133752025 in words is "one hundred thirty-three million, seven hundred fifty-two thousand, twenty-five".
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