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109442481 = 3179722123
BaseRepresentation
bin1101000010111…
…11010110110001
321121221020212020
412201133112301
5211004124411
614505422053
72466150201
oct641372661
9247836766
10109442481
1156860835
123079a929
131989b685
141076c401
15991c606
hex685f5b1

109442481 has 16 divisors (see below), whose sum is σ = 156106944. Its totient is φ = 67958784.

The previous prime is 109442477. The next prime is 109442483. The reversal of 109442481 is 184244901.

It is not a de Polignac number, because 109442481 - 22 = 109442477 is a prime.

It is a super-2 number, since 2×1094424812 = 23955313294870722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109442483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6115 + ... + 16008.

It is an arithmetic number, because the mean of its divisors is an integer number (9756684).

Almost surely, 2109442481 is an apocalyptic number.

It is an amenable number.

109442481 is a deficient number, since it is larger than the sum of its proper divisors (46664463).

109442481 is a wasteful number, since it uses less digits than its factorization.

109442481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22240.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 109442481 is about 10461.4760430830. The cubic root of 109442481 is about 478.3311270994.

The spelling of 109442481 in words is "one hundred nine million, four hundred forty-two thousand, four hundred eighty-one".

Divisors: 1 3 17 51 97 291 1649 4947 22123 66369 376091 1128273 2145931 6437793 36480827 109442481