Base | Representation |
---|---|
bin | 11000001101111… |
… | …10111111011100 |
3 | 112011021110122200 |
4 | 30012332333130 |
5 | 404002014333 |
6 | 32054211500 |
7 | 5014544553 |
oct | 1406767734 |
9 | 464243580 |
10 | 203157468 |
11 | a474a238 |
12 | 58053b90 |
13 | 33121527 |
14 | 1cda4d9a |
15 | 12c7ec13 |
hex | c1befdc |
203157468 has 18 divisors (see below), whose sum is σ = 513537024. Its totient is φ = 67719144.
The previous prime is 203157433. The next prime is 203157469. The reversal of 203157468 is 864751302.
203157468 is a `hidden beast` number, since 20 + 3 + 1 + 574 + 68 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5643263 = 203157468 / (2 + 0 + 3 + 1 + 5 + 7 + 4 + 6 + 8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203157469) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2821596 + ... + 2821667.
Almost surely, 2203157468 is an apocalyptic number.
It is an amenable number.
203157468 is an abundant number, since it is smaller than the sum of its proper divisors (310379556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203157468 is a wasteful number, since it uses less digits than its factorization.
203157468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5643273 (or 5643268 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 203157468 is about 14253.3318210164. The cubic root of 203157468 is about 587.8649905219.
The spelling of 203157468 in words is "two hundred three million, one hundred fifty-seven thousand, four hundred sixty-eight".
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