Search a number
-
+
285295742 = 2897115901
BaseRepresentation
bin10001000000010…
…100010001111110
3201212211112011222
4101000110101332
51041013430432
644150513342
710032655004
oct2100242176
9655745158
10285295742
11137050a06
127b665852
134714cc64
1429c66a74
151a0a7112
hex1101447e

285295742 has 8 divisors (see below), whose sum is σ = 428018232. Its totient is φ = 142623000.

The previous prime is 285295741. The next prime is 285295771. The reversal of 285295742 is 247592582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 285295693 and 285295702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285295741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9992 + ... + 25892.

It is an arithmetic number, because the mean of its divisors is an integer number (53502279).

Almost surely, 2285295742 is an apocalyptic number.

285295742 is a deficient number, since it is larger than the sum of its proper divisors (142722490).

285295742 is a wasteful number, since it uses less digits than its factorization.

285295742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24874.

The product of its digits is 403200, while the sum is 44.

The square root of 285295742 is about 16890.6998670866. The cubic root of 285295742 is about 658.3119873155.

The spelling of 285295742 in words is "two hundred eighty-five million, two hundred ninety-five thousand, seven hundred forty-two".

Divisors: 1 2 8971 15901 17942 31802 142647871 285295742