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109250140 = 22521432549
BaseRepresentation
bin1101000001100…
…00011001011100
321121120111000111
412200300121130
5210432001030
614501335404
72464416346
oct640603134
9247514014
10109250140
115673a27a
1230707564
1319831c6c
141071c296
1598d062a
hex683065c

109250140 has 24 divisors (see below), whose sum is σ = 229622400. Its totient is φ = 43662528.

The previous prime is 109250131. The next prime is 109250173. The reversal of 109250140 is 41052901.

It is a congruent number.

It is an unprimeable number.

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, 41586 + ... + 44134.

It is an arithmetic number, because the mean of its divisors is an integer number (9567600).

Almost surely, 2109250140 is an apocalyptic number.

109250140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109250140 is an abundant number, since it is smaller than the sum of its proper divisors (120372260).

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

109250140 is a wasteful number, since it uses less digits than its factorization.

109250140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701 (or 4699 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 109250140 is about 10452.2791772895. The cubic root of 109250140 is about 478.0507465249.

It can be divided in two parts, 1092 and 50140, that multiplied together give a triangular number (54752880 = T10464).

The spelling of 109250140 in words is "one hundred nine million, two hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2143 2549 4286 5098 8572 10196 10715 12745 21430 25490 42860 50980 5462507 10925014 21850028 27312535 54625070 109250140