Search a number
-
+
85272616 = 231113131569
BaseRepresentation
bin1010001010100…
…10100000101000
312221110022001001
411011102200220
5133312210431
612243404344
72053543132
oct505224050
9187408031
1085272616
1144152640
12246836b4
1314888290
14b47a052
157745e61
hex5152828

85272616 has 64 divisors (see below), whose sum is σ = 189604800. Its totient is φ = 35443200.

The previous prime is 85272587. The next prime is 85272619. The reversal of 85272616 is 61627258.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85272619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149580 + ... + 150148.

It is an arithmetic number, because the mean of its divisors is an integer number (2962575).

Almost surely, 285272616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85272616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94802400).

85272616 is an abundant number, since it is smaller than the sum of its proper divisors (104332184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85272616 is a wasteful number, since it uses less digits than its factorization.

85272616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 726 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 85272616 is about 9234.3173001581. The cubic root of 85272616 is about 440.1525228805.

The spelling of 85272616 in words is "eighty-five million, two hundred seventy-two thousand, six hundred sixteen".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 131 143 262 286 524 569 572 1048 1138 1144 1441 1703 2276 2882 3406 4552 5764 6259 6812 7397 11528 12518 13624 14794 18733 25036 29588 37466 50072 59176 74539 74932 81367 149078 149864 162734 298156 325468 596312 650936 819929 969007 1639858 1938014 3279716 3876028 6559432 7752056 10659077 21318154 42636308 85272616