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116281 = 112312
BaseRepresentation
bin11100011000111001
312220111201
4130120321
512210111
62254201
7663004
oct343071
9186451
10116281
117a400
1257361
1340c09
143053b
15246c1
hex1c639

116281 has 9 divisors (see below), whose sum is σ = 132069. Its totient is φ = 102300.

The previous prime is 116279. The next prime is 116293. The reversal of 116281 is 182611.

Adding to 116281 its reverse (182611), we get a palindrome (298892).

116281 = T340 + T341.

The square root of 116281 is 341.

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

It is not a de Polignac number, because 116281 - 21 = 116279 is a prime.

It is a super-2 number, since 2×1162812 = 27042541922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116201) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3736 + ... + 3766.

2116281 is an apocalyptic number.

116281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116281 is the 341-st square number.

116281 is the 171-st centered octagonal number and also the 153-rd centered decagonal number.

It is an amenable number.

116281 is a deficient number, since it is larger than the sum of its proper divisors (15788).

116281 is an equidigital number, since it uses as much as digits as its factorization.

116281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 42 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

The cubic root of 116281 is about 48.8093382201.

The spelling of 116281 in words is "one hundred sixteen thousand, two hundred eighty-one".

Divisors: 1 11 31 121 341 961 3751 10571 116281