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85414489 = 131652019
BaseRepresentation
bin1010001011101…
…01001001011001
312221201111122121
411011311021121
5133331230424
612250421241
72055003556
oct505651131
9187644577
1085414489
114423a196
1224731821
1314907a24
14b4b5a2d
157772ee4
hex5175259

85414489 has 4 divisors (see below), whose sum is σ = 86066640. Its totient is φ = 84762340.

The previous prime is 85414487. The next prime is 85414493. The reversal of 85414489 is 98441458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85414489 - 21 = 85414487 is a prime.

It is a super-2 number, since 2×854144892 = 14591269862262242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85414487) 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 3 ways as a sum of consecutive naturals, for example, 325879 + ... + 326140.

It is an arithmetic number, because the mean of its divisors is an integer number (21516660).

Almost surely, 285414489 is an apocalyptic number.

It is an amenable number.

85414489 is a deficient number, since it is larger than the sum of its proper divisors (652151).

85414489 is a wasteful number, since it uses less digits than its factorization.

85414489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652150.

The product of its digits is 184320, while the sum is 43.

The square root of 85414489 is about 9241.9959424358. The cubic root of 85414489 is about 440.3964900618.

The spelling of 85414489 in words is "eighty-five million, four hundred fourteen thousand, four hundred eighty-nine".

Divisors: 1 131 652019 85414489