Search a number
-
+
86990082 = 2329499943
BaseRepresentation
bin1010010111101…
…01110100000010
320001200112221220
411023311310002
5134232140312
612344255510
72104255254
oct513656402
9201615856
1086990082
1145115a33
1225171596
1315039c2a
14b7a5cd4
157984c8c
hex52f5d02

86990082 has 16 divisors (see below), whose sum is σ = 179979840. Its totient is φ = 27996752.

The previous prime is 86990081. The next prime is 86990093. The reversal of 86990082 is 28009968.

It is not an unprimeable number, because it can be changed into a prime (86990081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249798 + ... + 250145.

It is an arithmetic number, because the mean of its divisors is an integer number (11248740).

Almost surely, 286990082 is an apocalyptic number.

86990082 is an abundant number, since it is smaller than the sum of its proper divisors (92989758).

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

86990082 is a wasteful number, since it uses less digits than its factorization.

86990082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499977.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 86990082 is about 9326.8473773296. The cubic root of 86990082 is about 443.0879235485.

It can be divided in two parts, 869 and 90082, that added together give a triangular number (90951 = T426).

The spelling of 86990082 in words is "eighty-six million, nine hundred ninety thousand, eighty-two".

Divisors: 1 2 3 6 29 58 87 174 499943 999886 1499829 2999658 14498347 28996694 43495041 86990082