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86127801 = 3231248229
BaseRepresentation
bin1010010001000…
…11010010111001
320000001202010120
411020203102321
5134022042201
612314003453
72064034314
oct510432271
9200052116
1086127801
1144687101
1224a16589
1314ac75c6
14b61d97b
157864536
hex52234b9

86127801 has 8 divisors (see below), whose sum is σ = 119830080. Its totient is φ = 54922032.

The previous prime is 86127799. The next prime is 86127869. The reversal of 86127801 is 10872168.

It is a happy number.

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

It is not a de Polignac number, because 86127801 - 21 = 86127799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86127401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624046 + ... + 624183.

It is an arithmetic number, because the mean of its divisors is an integer number (14978760).

Almost surely, 286127801 is an apocalyptic number.

It is an amenable number.

86127801 is a deficient number, since it is larger than the sum of its proper divisors (33702279).

86127801 is a wasteful number, since it uses less digits than its factorization.

86127801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248255.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 86127801 is about 9280.5065055739. The cubic root of 86127801 is about 441.6190369586.

Adding to 86127801 its reverse (10872168), we get a palindrome (96999969).

The spelling of 86127801 in words is "eighty-six million, one hundred twenty-seven thousand, eight hundred one".

Divisors: 1 3 23 69 1248229 3744687 28709267 86127801