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109252842 = 23137132911
BaseRepresentation
bin1101000001100…
…01000011101010
321121120121201120
412200301003222
5210432042332
614501400110
72464430256
oct640610352
9247517646
10109252842
1156741306
1230709036
131983326a
141071d266
1598d132c
hex68310ea

109252842 has 16 divisors (see below), whose sum is σ = 220102272. Its totient is φ = 36151520.

The previous prime is 109252799. The next prime is 109252849. The reversal of 109252842 is 248252901.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (109252849) 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 7 ways as a sum of consecutive naturals, for example, 65634 + ... + 67277.

It is an arithmetic number, because the mean of its divisors is an integer number (13756392).

Almost surely, 2109252842 is an apocalyptic number.

109252842 is an abundant number, since it is smaller than the sum of its proper divisors (110849430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109252842 is a wasteful number, since it uses less digits than its factorization.

109252842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133053.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 109252842 is about 10452.4084305963. The cubic root of 109252842 is about 478.0546875801.

The spelling of 109252842 in words is "one hundred nine million, two hundred fifty-two thousand, eight hundred forty-two".

Divisors: 1 2 3 6 137 274 411 822 132911 265822 398733 797466 18208807 36417614 54626421 109252842