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86088290 = 258608829
BaseRepresentation
bin1010010000110…
…01101001100010
312222222201221012
411020121221202
5134014311130
612313100522
72063511161
oct510315142
9188881835
1086088290
114465a452
12249b7742
1314ab2622
14b60d3d8
157857995
hex5219a62

86088290 has 8 divisors (see below), whose sum is σ = 154958940. Its totient is φ = 34435312.

The previous prime is 86088253. The next prime is 86088293. The reversal of 86088290 is 9288068.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79049881 + 7038409 = 8891^2 + 2653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×860882902 = 14822387350248200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86088293) 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 3 ways as a sum of consecutive naturals, for example, 4304405 + ... + 4304424.

Almost surely, 286088290 is an apocalyptic number.

86088290 is a deficient number, since it is larger than the sum of its proper divisors (68870650).

86088290 is a wasteful number, since it uses less digits than its factorization.

86088290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8608836.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 86088290 is about 9278.3775521370. The cubic root of 86088290 is about 441.5514959384.

The spelling of 86088290 in words is "eighty-six million, eighty-eight thousand, two hundred ninety".

Divisors: 1 2 5 10 8608829 17217658 43044145 86088290