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85247118 = 232114110501
BaseRepresentation
bin1010001010011…
…00010010001110
312221102000001200
411011030102032
5133310401433
612243050330
72053405605
oct505142216
9187360050
1085247118
1144135470
12246709a6
13148797a8
14b470a3c
15773d613
hex514c48e

85247118 has 48 divisors (see below), whose sum is σ = 206427312. Its totient is φ = 25200000.

The previous prime is 85247101. The next prime is 85247119. The reversal of 85247118 is 81174258.

It is a super-2 number, since 2×852471182 = 14534142254611848, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85247119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2868 + ... + 13368.

It is an arithmetic number, because the mean of its divisors is an integer number (4300569).

Almost surely, 285247118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85247118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103213656).

85247118 is an abundant number, since it is smaller than the sum of its proper divisors (121180194).

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

85247118 is a wasteful number, since it uses less digits than its factorization.

85247118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10561 (or 10558 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 85247118 is about 9232.9365859406. The cubic root of 85247118 is about 440.1086474124.

The spelling of 85247118 in words is "eighty-five million, two hundred forty-seven thousand, one hundred eighteen".

Divisors: 1 2 3 6 9 11 18 22 33 41 66 82 99 123 198 246 369 451 738 902 1353 2706 4059 8118 10501 21002 31503 63006 94509 115511 189018 231022 346533 430541 693066 861082 1039599 1291623 2079198 2583246 3874869 4735951 7749738 9471902 14207853 28415706 42623559 85247118