Base | Representation |
---|---|
bin | 10010010011000… |
… | …00010001001001 |
3 | 101200210220202211 |
4 | 21021200101021 |
5 | 303243031114 |
6 | 23121425121 |
7 | 3542420146 |
oct | 1111402111 |
9 | 350726684 |
10 | 153486409 |
11 | 7970367a |
12 | 4349b1a1 |
13 | 25a4ca7b |
14 | 165553cd |
15 | d71c6c4 |
hex | 9260449 |
153486409 has 2 divisors, whose sum is σ = 153486410. Its totient is φ = 153486408.
The previous prime is 153486407. The next prime is 153486419. The reversal of 153486409 is 904684351.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 100560784 + 52925625 = 10028^2 + 7275^2 .
It is a cyclic number.
It is not a de Polignac number, because 153486409 - 21 = 153486407 is a prime.
Together with 153486407, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (153486407) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76743204 + 76743205.
It is an arithmetic number, because the mean of its divisors is an integer number (76743205).
Almost surely, 2153486409 is an apocalyptic number.
It is an amenable number.
153486409 is a deficient number, since it is larger than the sum of its proper divisors (1).
153486409 is an equidigital number, since it uses as much as digits as its factorization.
153486409 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 103680, while the sum is 40.
The square root of 153486409 is about 12388.9631931005. The cubic root of 153486409 is about 535.4143109150.
The spelling of 153486409 in words is "one hundred fifty-three million, four hundred eighty-six thousand, four hundred nine".
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