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85338530 = 258533853
BaseRepresentation
bin1010001011000…
…10100110100010
312221120122110022
411011202212202
5133321313110
612245033442
72054236244
oct505424642
9187518408
1085338530
1144198112
12246b5882
13148ac294
14b496094
15775a755
hex51629a2

85338530 has 8 divisors (see below), whose sum is σ = 153609372. Its totient is φ = 34135408.

The previous prime is 85338529. The next prime is 85338541. The reversal of 85338530 is 3583358.

It can be written as a sum of positive squares in 2 ways, for example, as 79370281 + 5968249 = 8909^2 + 2443^2 .

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

It is a Curzon number.

It is an unprimeable number.

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, 4266917 + ... + 4266936.

Almost surely, 285338530 is an apocalyptic number.

85338530 is a deficient number, since it is larger than the sum of its proper divisors (68270842).

85338530 is a wasteful number, since it uses less digits than its factorization.

85338530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8533860.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 85338530 is about 9237.8855805861. The cubic root of 85338530 is about 440.2659033250.

The spelling of 85338530 in words is "eighty-five million, three hundred thirty-eight thousand, five hundred thirty".

Divisors: 1 2 5 10 8533853 17067706 42669265 85338530