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85050437 = 383322189
BaseRepresentation
bin1010001000111…
…00010001000101
312221001000021012
411010130101011
5133233103222
612234532005
72051626313
oct504342105
9187030235
1085050437
114401071a
1224597005
131480b104
14b41d0b3
1577001e2
hex511c445

85050437 has 4 divisors (see below), whose sum is σ = 85076460. Its totient is φ = 85024416.

The previous prime is 85050421. The next prime is 85050443. The reversal of 85050437 is 73405058.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73405058 = 236702529.

It can be written as a sum of positive squares in 2 ways, for example, as 37039396 + 48011041 = 6086^2 + 6929^2 .

It is a cyclic number.

It is not a de Polignac number, because 85050437 - 24 = 85050421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85050737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7262 + ... + 14927.

It is an arithmetic number, because the mean of its divisors is an integer number (21269115).

Almost surely, 285050437 is an apocalyptic number.

It is an amenable number.

85050437 is a deficient number, since it is larger than the sum of its proper divisors (26023).

85050437 is a wasteful number, since it uses less digits than its factorization.

85050437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26022.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 85050437 is about 9222.2793820183. The cubic root of 85050437 is about 439.7699158627.

The spelling of 85050437 in words is "eighty-five million, fifty thousand, four hundred thirty-seven".

Divisors: 1 3833 22189 85050437