Base | Representation |
---|---|
bin | 11110001011111… |
… | …11011001101011 |
3 | 122122111100101221 |
4 | 33011333121223 |
5 | 1004311304101 |
6 | 41043322511 |
7 | 6163256644 |
oct | 1705773153 |
9 | 578440357 |
10 | 253228651 |
11 | 11aa39485 |
12 | 70980437 |
13 | 40603150 |
14 | 258ba6cb |
15 | 17370aa1 |
hex | f17f66b |
253228651 has 8 divisors (see below), whose sum is σ = 288749664. Its totient is φ = 219999360.
The previous prime is 253228603. The next prime is 253228663. The reversal of 253228651 is 156822352.
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 253228651 - 29 = 253228139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (253220651) by changing a digit.
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, 572695 + ... + 573136.
It is an arithmetic number, because the mean of its divisors is an integer number (36093708).
Almost surely, 2253228651 is an apocalyptic number.
253228651 is a deficient number, since it is larger than the sum of its proper divisors (35521013).
253228651 is a wasteful number, since it uses less digits than its factorization.
253228651 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1145861.
The product of its digits is 28800, while the sum is 34.
The square root of 253228651 is about 15913.1596799630. The cubic root of 253228651 is about 632.6608305409.
The spelling of 253228651 in words is "two hundred fifty-three million, two hundred twenty-eight thousand, six hundred fifty-one".
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