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109142486 = 2291881767
BaseRepresentation
bin1101000000101…
…10000111010110
321121101000100022
412200112013112
5210420024421
614455145142
72463460445
oct640260726
9247330308
10109142486
1156676402
12306751b2
13197c4c6b
14106d0d5c
1598ad7ab
hex68161d6

109142486 has 8 divisors (see below), whose sum is σ = 169359120. Its totient is φ = 52689448.

The previous prime is 109142483. The next prime is 109142513. The reversal of 109142486 is 684241901.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109142483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940826 + ... + 940941.

It is an arithmetic number, because the mean of its divisors is an integer number (21169890).

Almost surely, 2109142486 is an apocalyptic number.

109142486 is a deficient number, since it is larger than the sum of its proper divisors (60216634).

109142486 is a wasteful number, since it uses less digits than its factorization.

109142486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881798.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 109142486 is about 10447.1281221205. The cubic root of 109142486 is about 477.8936727723.

The spelling of 109142486 in words is "one hundred nine million, one hundred forty-two thousand, four hundred eighty-six".

Divisors: 1 2 29 58 1881767 3763534 54571243 109142486