Base | Representation |
---|---|
bin | 10010001000010… |
… | …01011111101001 |
3 | 101121011120211211 |
4 | 21010021133221 |
5 | 302413114114 |
6 | 23031353121 |
7 | 3524451643 |
oct | 1104113751 |
9 | 347146754 |
10 | 152082409 |
11 | 78934846 |
12 | 42b227a1 |
13 | 2567a9bb |
14 | 162ab893 |
15 | d5416c4 |
hex | 91097e9 |
152082409 has 8 divisors (see below), whose sum is σ = 157477320. Its totient is φ = 146697600.
The previous prime is 152082389. The next prime is 152082431. The reversal of 152082409 is 904280251.
It can be written as a sum of positive squares in 4 ways, for example, as 15776784 + 136305625 = 3972^2 + 11675^2 .
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 152082409 - 25 = 152082377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152082499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41179 + ... + 44719.
It is an arithmetic number, because the mean of its divisors is an integer number (19684665).
Almost surely, 2152082409 is an apocalyptic number.
It is an amenable number.
152082409 is a deficient number, since it is larger than the sum of its proper divisors (5394911).
152082409 is a wasteful number, since it uses less digits than its factorization.
152082409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5051.
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 152082409 is about 12332.1696793387. The cubic root of 152082409 is about 533.7767598245.
The spelling of 152082409 in words is "one hundred fifty-two million, eighty-two thousand, four hundred nine".
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