Base | Representation |
---|---|
bin | 11110001111001… |
… | …10010100110111 |
3 | 122200021202201000 |
4 | 33013212110313 |
5 | 1004413301411 |
6 | 41100334343 |
7 | 6166664022 |
oct | 1707462467 |
9 | 580252630 |
10 | 253650231 |
11 | 1201a719a |
12 | 70b443b3 |
13 | 4071ccc3 |
14 | 2598a1b9 |
15 | 17405956 |
hex | f1e6537 |
253650231 has 16 divisors (see below), whose sum is σ = 384945120. Its totient is φ = 164975040.
The previous prime is 253650223. The next prime is 253650239. The reversal of 253650231 is 132056352.
253650231 is a `hidden beast` number, since 2 + 5 + 3 + 650 + 2 + 3 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (253650223) and next prime (253650239).
It is not a de Polignac number, because 253650231 - 23 = 253650223 is a prime.
It is a super-2 number, since 2×2536502312 = 128676879372706722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 253650195 and 253650204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253650239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113460 + ... + 115673.
It is an arithmetic number, because the mean of its divisors is an integer number (24059070).
Almost surely, 2253650231 is an apocalyptic number.
253650231 is a deficient number, since it is larger than the sum of its proper divisors (131294889).
253650231 is a wasteful number, since it uses less digits than its factorization.
253650231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229183 (or 229177 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
The square root of 253650231 is about 15926.4004407776. The cubic root of 253650231 is about 633.0117245869.
The spelling of 253650231 in words is "two hundred fifty-three million, six hundred fifty thousand, two hundred thirty-one".
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