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109520190 = 23251393607
BaseRepresentation
bin1101000011100…
…10010100111110
321122002012110100
412201302110332
5211014121230
614511221530
72466622563
oct641622476
9248065410
10109520190
115690415a
12308178a6
13198c7b60
141078c86a
159935660
hex687253e

109520190 has 48 divisors (see below), whose sum is σ = 306659808. Its totient is φ = 26958528.

The previous prime is 109520141. The next prime is 109520197. The reversal of 109520190 is 91025901.

It is a happy number.

It is a super-2 number, since 2×1095201902 = 23989344035272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109520197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45634 + ... + 47973.

It is an arithmetic number, because the mean of its divisors is an integer number (6388746).

Almost surely, 2109520190 is an apocalyptic number.

109520190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109520190 is an abundant number, since it is smaller than the sum of its proper divisors (197139618).

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

109520190 is a wasteful number, since it uses less digits than its factorization.

109520190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93633 (or 93630 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 109520190 is about 10465.1894392792. The cubic root of 109520190 is about 478.4443123972. Note that the first 3 decimals are identical.

The spelling of 109520190 in words is "one hundred nine million, five hundred twenty thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 93607 187214 280821 468035 561642 842463 936070 1216891 1404105 1684926 2433782 2808210 3650673 4212315 6084455 7301346 8424630 10952019 12168910 18253365 21904038 36506730 54760095 109520190