Search a number
-
+
86798992 = 2472195827
BaseRepresentation
bin1010010110001…
…11001010010000
320001022211211111
411023013022100
5134210031432
612340223104
72102531200
oct513071220
9201284744
1086798992
1144aa5405
122509aa94
1314ca0c67
14b756400
157948347
hex52c7290

86798992 has 60 divisors (see below), whose sum is σ = 205961520. Its totient is φ = 35235648.

The previous prime is 86798963. The next prime is 86799007. The reversal of 86798992 is 29989768.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11983 + ... + 17809.

It is an arithmetic number, because the mean of its divisors is an integer number (3432692).

Almost surely, 286798992 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 86798992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102980760).

86798992 is an abundant number, since it is smaller than the sum of its proper divisors (119162528).

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

86798992 is a wasteful number, since it uses less digits than its factorization.

86798992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868 (or 5855 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The square root of 86798992 is about 9316.5976622370. The cubic root of 86798992 is about 442.7632438351.

It can be divided in two parts, 8679 and 8992, that added together give a palindrome (17671).

The spelling of 86798992 in words is "eighty-six million, seven hundred ninety-eight thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 19 28 38 49 56 76 98 112 133 152 196 266 304 392 532 784 931 1064 1862 2128 3724 5827 7448 11654 14896 23308 40789 46616 81578 93232 110713 163156 221426 285523 326312 442852 571046 652624 774991 885704 1142092 1549982 1771408 2284184 3099964 4568368 5424937 6199928 10849874 12399856 21699748 43399496 86798992