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85552340 = 2255238179
BaseRepresentation
bin1010001100101…
…10110011010100
312221222111202012
411012112303110
5133400133330
612253403352
72056116506
oct506266324
9187874665
1085552340
1144323815
1224799558
13149556b3
14b50dd76
15779dc95
hex5196cd4

85552340 has 24 divisors (see below), whose sum is σ = 180025440. Its totient is φ = 34151328.

The previous prime is 85552321. The next prime is 85552393. The reversal of 85552340 is 4325558.

It is a junction number, because it is equal to n+sod(n) for n = 85552297 and 85552306.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6371 + ... + 14549.

It is an arithmetic number, because the mean of its divisors is an integer number (7501060).

Almost surely, 285552340 is an apocalyptic number.

It is an amenable number.

85552340 is an abundant number, since it is smaller than the sum of its proper divisors (94473100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85552340 is a wasteful number, since it uses less digits than its factorization.

85552340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711 (or 8709 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 85552340 is about 9249.4507945067. The cubic root of 85552340 is about 440.6332823083.

Adding to 85552340 its reverse (4325558), we get a palindrome (89877898).

The spelling of 85552340 in words is "eighty-five million, five hundred fifty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 523 1046 2092 2615 5230 8179 10460 16358 32716 40895 81790 163580 4277617 8555234 17110468 21388085 42776170 85552340