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85452371 = 89960139
BaseRepresentation
bin1010001011111…
…10011001010011
312221210102121122
411011332121103
5133333433441
612251312455
72055222164
oct505763123
9187712548
1085452371
11442656a4
122474b72b
131491c044
14b4c576b
15777e34b
hex517e653

85452371 has 4 divisors (see below), whose sum is σ = 86412600. Its totient is φ = 84492144.

The previous prime is 85452361. The next prime is 85452379. The reversal of 85452371 is 17325458.

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: 17325458 = 28662729.

It is a cyclic number.

It is not a de Polignac number, because 85452371 - 218 = 85190227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85452379) 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, 479981 + ... + 480158.

It is an arithmetic number, because the mean of its divisors is an integer number (21603150).

Almost surely, 285452371 is an apocalyptic number.

85452371 is a deficient number, since it is larger than the sum of its proper divisors (960229).

85452371 is an equidigital number, since it uses as much as digits as its factorization.

85452371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960228.

The product of its digits is 33600, while the sum is 35.

The square root of 85452371 is about 9244.0451643207. The cubic root of 85452371 is about 440.4615868788.

The spelling of 85452371 in words is "eighty-five million, four hundred fifty-two thousand, three hundred seventy-one".

Divisors: 1 89 960139 85452371