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85343312 = 2437144161
BaseRepresentation
bin1010001011000…
…11110001010000
312221120220000102
411011203301100
5133321441222
612245111532
72054256215
oct505436120
9187526012
1085343312
11441a076a
12246b85a8
13148b1502
14b497b0c
15775bd92
hex5163c50

85343312 has 20 divisors (see below), whose sum is σ = 169822836. Its totient is φ = 41518080.

The previous prime is 85343311. The next prime is 85343333. The reversal of 85343312 is 21334358.

It can be written as a sum of positive squares in 2 ways, for example, as 56010256 + 29333056 = 7484^2 + 5416^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85343311) 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, 71489 + ... + 72672.

Almost surely, 285343312 is an apocalyptic number.

It is an amenable number.

85343312 is a deficient number, since it is larger than the sum of its proper divisors (84479524).

85343312 is a wasteful number, since it uses less digits than its factorization.

85343312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144206 (or 144200 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 85343312 is about 9238.1444024219. The cubic root of 85343312 is about 440.2741267001.

The spelling of 85343312 in words is "eighty-five million, three hundred forty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 37 74 148 296 592 144161 288322 576644 1153288 2306576 5333957 10667914 21335828 42671656 85343312