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85757950 = 2522716329
BaseRepresentation
bin1010001110010…
…00111111111110
312222100221210101
411013020333332
5133423223300
612302031314
72060634115
oct507107776
9188327711
1085757950
1144454243
122487853a
13149c8165
14b564c7c
1577deb6a
hex51c8ffe

85757950 has 24 divisors (see below), whose sum is σ = 160123680. Its totient is φ = 34171200.

The previous prime is 85757929. The next prime is 85757957. The reversal of 85757950 is 5975758.

It is a self number, because there is not a number n which added to its sum of digits gives 85757950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85757957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10386 + ... + 16714.

It is an arithmetic number, because the mean of its divisors is an integer number (6671820).

Almost surely, 285757950 is an apocalyptic number.

85757950 is a deficient number, since it is larger than the sum of its proper divisors (74365730).

85757950 is a wasteful number, since it uses less digits than its factorization.

85757950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612 (or 6607 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 46.

The square root of 85757950 is about 9260.5588384287. The cubic root of 85757950 is about 440.9859947596.

The spelling of 85757950 in words is "eighty-five million, seven hundred fifty-seven thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 271 542 1355 2710 6329 6775 12658 13550 31645 63290 158225 316450 1715159 3430318 8575795 17151590 42878975 85757950