Base | Representation |
---|---|
bin | 11110001010011… |
… | …10011011100001 |
3 | 122122010011020211 |
4 | 33011032123201 |
5 | 1004233344230 |
6 | 41035134121 |
7 | 6161463103 |
oct | 1705163341 |
9 | 578104224 |
10 | 253028065 |
11 | 11a911804 |
12 | 708a4341 |
13 | 40562a64 |
14 | 25867573 |
15 | 1733142a |
hex | f14e6e1 |
253028065 has 16 divisors (see below), whose sum is σ = 306528768. Its totient is φ = 200503296.
The previous prime is 253028063. The next prime is 253028071. The reversal of 253028065 is 560820352.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 253028065 - 21 = 253028063 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (253028063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286114 + ... + 286996.
It is an arithmetic number, because the mean of its divisors is an integer number (19158048).
Almost surely, 2253028065 is an apocalyptic number.
It is an amenable number.
253028065 is a deficient number, since it is larger than the sum of its proper divisors (53500703).
253028065 is a wasteful number, since it uses less digits than its factorization.
253028065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1368.
The product of its (nonzero) digits is 14400, while the sum is 31.
The square root of 253028065 is about 15906.8559118388. The cubic root of 253028065 is about 632.4937398809.
The spelling of 253028065 in words is "two hundred fifty-three million, twenty-eight thousand, sixty-five".
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