Base | Representation |
---|---|
bin | 11110001110101… |
… | …11100111110101 |
3 | 122200011201002102 |
4 | 33013113213311 |
5 | 1004404340010 |
6 | 41055151445 |
7 | 6166323314 |
oct | 1707274765 |
9 | 580151072 |
10 | 253590005 |
11 | 120165a19 |
12 | 70b15585 |
13 | 406cb776 |
14 | 2597227b |
15 | 173e2ba5 |
hex | f1d79f5 |
253590005 has 8 divisors (see below), whose sum is σ = 304433592. Its totient is φ = 202788288.
The previous prime is 253589981. The next prime is 253590041. The reversal of 253590005 is 500095352.
It can be written as a sum of positive squares in 4 ways, for example, as 38850289 + 214739716 = 6233^2 + 14654^2 .
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 253590005 - 212 = 253585909 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 253590005.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4919 + ... + 23051.
It is an arithmetic number, because the mean of its divisors is an integer number (38054199).
Almost surely, 2253590005 is an apocalyptic number.
It is an amenable number.
253590005 is a deficient number, since it is larger than the sum of its proper divisors (50843587).
253590005 is a wasteful number, since it uses less digits than its factorization.
253590005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20935.
The product of its (nonzero) digits is 6750, while the sum is 29.
The square root of 253590005 is about 15924.5095685864. The cubic root of 253590005 is about 632.9616204445.
The spelling of 253590005 in words is "two hundred fifty-three million, five hundred ninety thousand, five".
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