Base | Representation |
---|---|
bin | 11101001101111… |
… | …01010011111111 |
3 | 122002012001020220 |
4 | 32212331103333 |
5 | 1000220444011 |
6 | 40153112423 |
7 | 6034155456 |
oct | 1646752377 |
9 | 562161226 |
10 | 245093631 |
11 | 116392522 |
12 | 6a0b8713 |
13 | 3ba15423 |
14 | 2479db9d |
15 | 167b5506 |
hex | e9bd4ff |
245093631 has 16 divisors (see below), whose sum is σ = 332183040. Its totient is φ = 160712640.
The previous prime is 245093609. The next prime is 245093647. The reversal of 245093631 is 136390542.
It is not a de Polignac number, because 245093631 - 25 = 245093599 is a prime.
It is a super-2 number, since 2×2450936312 = 120141775913528322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 245093592 and 245093601.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245093231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90426 + ... + 93096.
It is an arithmetic number, because the mean of its divisors is an integer number (20761440).
Almost surely, 2245093631 is an apocalyptic number.
245093631 is a deficient number, since it is larger than the sum of its proper divisors (87089409).
245093631 is a wasteful number, since it uses less digits than its factorization.
245093631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3166.
The product of its (nonzero) digits is 19440, while the sum is 33.
The square root of 245093631 is about 15655.4664893768. The cubic root of 245093631 is about 625.8121759219.
The spelling of 245093631 in words is "two hundred forty-five million, ninety-three thousand, six hundred thirty-one".
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