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86206020 = 22351436767
BaseRepresentation
bin1010010001101…
…10011001000100
320000012201102120
411020312121010
5134032043040
612315405540
72064511335
oct510663104
9200181376
1086206020
114472a94a
1224a538b0
1314b240a4
14b64028c
15787c7d0
hex5236644

86206020 has 24 divisors (see below), whose sum is σ = 241377024. Its totient is φ = 22988256.

The previous prime is 86206007. The next prime is 86206027. The reversal of 86206020 is 2060268.

It is not an unprimeable number, because it can be changed into a prime (86206027) 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 7 ways as a sum of consecutive naturals, for example, 718324 + ... + 718443.

It is an arithmetic number, because the mean of its divisors is an integer number (10057376).

Almost surely, 286206020 is an apocalyptic number.

It is an amenable number.

86206020 is an abundant number, since it is smaller than the sum of its proper divisors (155171004).

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

86206020 is a wasteful number, since it uses less digits than its factorization.

86206020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436779 (or 1436777 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 86206020 is about 9284.7197049776. The cubic root of 86206020 is about 441.7526854334.

Adding to 86206020 its reverse (2060268), we get a palindrome (88266288).

The spelling of 86206020 in words is "eighty-six million, two hundred six thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1436767 2873534 4310301 5747068 7183835 8620602 14367670 17241204 21551505 28735340 43103010 86206020