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85529950 = 25211155509
BaseRepresentation
bin1010001100100…
…01010101011110
312221221101000221
411012101111132
5133343424300
612253111554
72055664312
oct506212536
9187841027
1085529950
1144308a10
12247885ba
131494844c
14b505b42
15779731a
hex519155e

85529950 has 24 divisors (see below), whose sum is σ = 173549160. Its totient is φ = 31101600.

The previous prime is 85529947. The next prime is 85529957. The reversal of 85529950 is 5992558.

It is a junction number, because it is equal to n+sod(n) for n = 85529897 and 85529906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85529957) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 77205 + ... + 78304.

It is an arithmetic number, because the mean of its divisors is an integer number (7231215).

Almost surely, 285529950 is an apocalyptic number.

85529950 is an abundant number, since it is smaller than the sum of its proper divisors (88019210).

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

85529950 is a wasteful number, since it uses less digits than its factorization.

85529950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155532 (or 155527 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 85529950 is about 9248.2403731737. The cubic root of 85529950 is about 440.5948394090.

It can be divided in two parts, 85 and 529950, that added together give a palindrome (530035).

The spelling of 85529950 in words is "eighty-five million, five hundred twenty-nine thousand, nine hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 155509 311018 777545 1555090 1710599 3421198 3887725 7775450 8552995 17105990 42764975 85529950