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109254190 = 2543125349
BaseRepresentation
bin1101000001100…
…01011000101110
321121120200120111
412200301120232
5210432113230
614501410234
72464434223
oct640613056
9247520514
10109254190
1156742321
123070997a
1319833a66
141071d94a
1598d192a
hex683162e

109254190 has 16 divisors (see below), whose sum is σ = 197121600. Its totient is φ = 43598560.

The previous prime is 109254181. The next prime is 109254191. The reversal of 109254190 is 91452901.

It is a super-2 number, since 2×1092541902 = 23872956065112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109254191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8365 + ... + 16984.

It is an arithmetic number, because the mean of its divisors is an integer number (12320100).

Almost surely, 2109254190 is an apocalyptic number.

109254190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109254190 is a deficient number, since it is larger than the sum of its proper divisors (87867410).

109254190 is a wasteful number, since it uses less digits than its factorization.

109254190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25787.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 109254190 is about 10452.4729131436. The cubic root of 109254190 is about 478.0566537076.

The spelling of 109254190 in words is "one hundred nine million, two hundred fifty-four thousand, one hundred ninety".

Divisors: 1 2 5 10 431 862 2155 4310 25349 50698 126745 253490 10925419 21850838 54627095 109254190