Base | Representation |
---|---|
bin | 10001000000011… |
… | …101010111001101 |
3 | 201212220102012201 |
4 | 101000131113031 |
5 | 1041021123231 |
6 | 44151401501 |
7 | 10033201315 |
oct | 2100352715 |
9 | 655812181 |
10 | 285332941 |
11 | 137076953 |
12 | 7b683291 |
13 | 47163b7a |
14 | 29c76445 |
15 | 1a0b3161 |
hex | 1101d5cd |
285332941 has 4 divisors (see below), whose sum is σ = 287999712. Its totient is φ = 282666172.
The previous prime is 285332939. The next prime is 285332951. The reversal of 285332941 is 149233582.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 285332941 - 21 = 285332939 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 285332941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285332951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333225 + ... + 1333438.
It is an arithmetic number, because the mean of its divisors is an integer number (71999928).
Almost surely, 2285332941 is an apocalyptic number.
It is an amenable number.
285332941 is a deficient number, since it is larger than the sum of its proper divisors (2666771).
285332941 is a wasteful number, since it uses less digits than its factorization.
285332941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2666770.
The product of its digits is 51840, while the sum is 37.
The square root of 285332941 is about 16891.8009993014. The cubic root of 285332941 is about 658.3405979579.
The spelling of 285332941 in words is "two hundred eighty-five million, three hundred thirty-two thousand, nine hundred forty-one".
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