Base | Representation |
---|---|
bin | 11110001100011… |
… | …01010100100111 |
3 | 122122121020121210 |
4 | 33012031110213 |
5 | 1004320120141 |
6 | 41044442503 |
7 | 6163615122 |
oct | 1706152447 |
9 | 578536553 |
10 | 253285671 |
11 | 11aa78301 |
12 | 709a9433 |
13 | 406230a2 |
14 | 258d33b9 |
15 | 17382916 |
hex | f18d527 |
253285671 has 8 divisors (see below), whose sum is σ = 337811184. Its totient is φ = 168808640.
The previous prime is 253285663. The next prime is 253285687. The reversal of 253285671 is 176582352.
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 253285671 - 23 = 253285663 is a prime.
It is a super-2 number, since 2×2532856712 = 128307262267840482, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253285631) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2641 + ... + 22661.
It is an arithmetic number, because the mean of its divisors is an integer number (42226398).
Almost surely, 2253285671 is an apocalyptic number.
253285671 is a deficient number, since it is larger than the sum of its proper divisors (84525513).
253285671 is a wasteful number, since it uses less digits than its factorization.
253285671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24241.
The product of its digits is 100800, while the sum is 39.
The square root of 253285671 is about 15914.9511780590. The cubic root of 253285671 is about 632.7083128105.
The spelling of 253285671 in words is "two hundred fifty-three million, two hundred eighty-five thousand, six hundred seventy-one".
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