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285332282 = 2251568391
BaseRepresentation
bin10001000000011…
…101001100111010
3201212220101022022
4101000131030322
51041021113112
644151354442
710033166354
oct2100351472
9655811268
10285332282
11137076404
127b682a22
1347163791
1429c760d4
151a0b2d72
hex1101d33a

285332282 has 8 divisors (see below), whose sum is σ = 429704352. Its totient is φ = 142097500.

The previous prime is 285332251. The next prime is 285332287. The reversal of 285332282 is 282233582.

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

It is a super-2 number, since 2×2853322822 = 162829022302655048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (285332287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283694 + ... + 284697.

It is an arithmetic number, because the mean of its divisors is an integer number (53713044).

Almost surely, 2285332282 is an apocalyptic number.

285332282 is a deficient number, since it is larger than the sum of its proper divisors (144372070).

285332282 is a wasteful number, since it uses less digits than its factorization.

285332282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568644.

The product of its digits is 46080, while the sum is 35.

The square root of 285332282 is about 16891.7814927852. The cubic root of 285332282 is about 658.3400911268.

The spelling of 285332282 in words is "two hundred eighty-five million, three hundred thirty-two thousand, two hundred eighty-two".

Divisors: 1 2 251 502 568391 1136782 142666141 285332282