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BaseRepresentation
bin1010010000101…
…11111100000100
312222222101022201
411020113330010
5134014100114
612313004244
72063451562
oct510277404
9188871281
1086081284
1144655163
12249b3684
1314aac393
14b60aa32
157855874
hex5217f04

86081284 has 9 divisors (see below), whose sum is σ = 150674727. Its totient is φ = 43031364.

The previous prime is 86081269. The next prime is 86081287. The reversal of 86081284 is 48218068.

The square root of 86081284 is 9278.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86081287) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 16237 + ... + 20875.

Almost surely, 286081284 is an apocalyptic number.

86081284 is the 9278-th square number.

It is an amenable number.

86081284 is a deficient number, since it is larger than the sum of its proper divisors (64593443).

86081284 is an frugal number, since it uses more digits than its factorization.

86081284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9282 (or 4641 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The cubic root of 86081284 is about 441.5395175624.

The spelling of 86081284 in words is "eighty-six million, eighty-one thousand, two hundred eighty-four".