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85044157 = 1116634649
BaseRepresentation
bin1010001000110…
…10101110111101
312221000200122121
411010122232331
5133232403112
612234442541
72051602102
oct504325675
9187020577
1085044157
1144006a30
1224593451
13148082b3
14b41aaa9
1576ed407
hex511abbd

85044157 has 8 divisors (see below), whose sum is σ = 92851200. Its totient is φ = 77249760.

The previous prime is 85044143. The next prime is 85044163. The reversal of 85044157 is 75144058.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-85044157 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 (85044107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15969 + ... + 20617.

It is an arithmetic number, because the mean of its divisors is an integer number (11606400).

Almost surely, 285044157 is an apocalyptic number.

It is an amenable number.

85044157 is a deficient number, since it is larger than the sum of its proper divisors (7807043).

85044157 is a wasteful number, since it uses less digits than its factorization.

85044157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 85044157 is about 9221.9388959155. The cubic root of 85044157 is about 439.7590916070.

Subtracting from 85044157 its reverse (75144058), we obtain a palindrome (9900099).

The spelling of 85044157 in words is "eighty-five million, forty-four thousand, one hundred fifty-seven".

Divisors: 1 11 1663 4649 18293 51139 7731287 85044157