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85949190 = 2325954991
BaseRepresentation
bin1010001111101…
…11101100000110
312222201200010100
411013313230012
5134000333230
612310104530
72062361505
oct507675406
9188650110
1085949190
1144574998
122494b146
1314a64212
14b5b483c
15782b660
hex51f7b06

85949190 has 24 divisors (see below), whose sum is σ = 223468128. Its totient is φ = 22919760.

The previous prime is 85949173. The next prime is 85949191. The reversal of 85949190 is 9194958.

It is a super-2 number, since 2×859491902 = 14774526523312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85949191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477406 + ... + 477585.

It is an arithmetic number, because the mean of its divisors is an integer number (9311172).

Almost surely, 285949190 is an apocalyptic number.

85949190 is an abundant number, since it is smaller than the sum of its proper divisors (137518938).

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

85949190 is a wasteful number, since it uses less digits than its factorization.

85949190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955004 (or 955001 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 85949190 is about 9270.8785991404. The cubic root of 85949190 is about 441.3135505950.

The spelling of 85949190 in words is "eighty-five million, nine hundred forty-nine thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 954991 1909982 2864973 4774955 5729946 8594919 9549910 14324865 17189838 28649730 42974595 85949190