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85089723 = 328363241
BaseRepresentation
bin1010001001001…
…01110110111011
312221010000011020
411010211312323
5133240332343
612235433523
72052151665
oct504456673
9187100136
1085089723
1144038194
12245b58a3
1314822c64
14b42d535
15770bb83
hex5125dbb

85089723 has 4 divisors (see below), whose sum is σ = 113452968. Its totient is φ = 56726480.

The previous prime is 85089721. The next prime is 85089727. The reversal of 85089723 is 32798058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85089723 - 21 = 85089721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85089721) 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, 14181618 + ... + 14181623.

It is an arithmetic number, because the mean of its divisors is an integer number (28363242).

Almost surely, 285089723 is an apocalyptic number.

85089723 is a deficient number, since it is larger than the sum of its proper divisors (28363245).

85089723 is a wasteful number, since it uses less digits than its factorization.

85089723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28363244.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 85089723 is about 9224.4090867654. The cubic root of 85089723 is about 439.8376174215.

The spelling of 85089723 in words is "eighty-five million, eighty-nine thousand, seven hundred twenty-three".

Divisors: 1 3 28363241 85089723