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86227020 = 2232511237107
BaseRepresentation
bin1010010001110…
…11100001001100
320000020210020100
411020323201030
5134033231040
612320051100
72064626505
oct510734114
9200223210
1086227020
1144744700
1224a63a90
1314b30809
14b647bac
157883b30
hex523b84c

86227020 has 216 divisors, whose sum is σ = 298024272. Its totient is φ = 20148480.

The previous prime is 86227019. The next prime is 86227021. The reversal of 86227020 is 2072268.

It is an interprime number because it is at equal distance from previous prime (86227019) and next prime (86227021).

It is not an unprimeable number, because it can be changed into a prime (86227021) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 805807 + ... + 805913.

It is an arithmetic number, because the mean of its divisors is an integer number (1379742).

Almost surely, 286227020 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 86227020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149012136).

86227020 is an abundant number, since it is smaller than the sum of its proper divisors (211797252).

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

86227020 is a wasteful number, since it uses less digits than its factorization.

86227020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 86227020 is about 9285.8505264731. The cubic root of 86227020 is about 441.7885532038.

Adding to 86227020 its reverse (2072268), we get a palindrome (88299288).

The spelling of 86227020 in words is "eighty-six million, two hundred twenty-seven thousand, twenty".