Base | Representation |
---|---|
bin | 1111101100100… |
… | …00010110010101 |
3 | 100011202012000210 |
4 | 13312100112111 |
5 | 232201211003 |
6 | 21022000033 |
7 | 3156055611 |
oct | 766202625 |
9 | 304665023 |
10 | 131663253 |
11 | 68358607 |
12 | 38116019 |
13 | 2137b867 |
14 | 136b4341 |
15 | b85b503 |
hex | 7d90595 |
131663253 has 8 divisors (see below), whose sum is σ = 176891616. Its totient is φ = 87105200.
The previous prime is 131663239. The next prime is 131663267. The reversal of 131663253 is 352366131.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (131663239) and next prime (131663267).
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 131663253 - 24 = 131663237 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131663253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131663153) 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, 167118 + ... + 167903.
It is an arithmetic number, because the mean of its divisors is an integer number (22111452).
Almost surely, 2131663253 is an apocalyptic number.
It is an amenable number.
131663253 is a deficient number, since it is larger than the sum of its proper divisors (45228363).
131663253 is a wasteful number, since it uses less digits than its factorization.
131663253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335155.
The product of its digits is 9720, while the sum is 30.
The square root of 131663253 is about 11474.4609023692. The cubic root of 131663253 is about 508.7309895562.
The spelling of 131663253 in words is "one hundred thirty-one million, six hundred sixty-three thousand, two hundred fifty-three".
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