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109809370 = 25112921187
BaseRepresentation
bin1101000101110…
…00111011011010
321122121220010201
412202320323122
5211102344440
614521332414
72502235636
oct642707332
9248556121
10109809370
1156a91450
123093710a
1319999678
1410825dc6
15999119a
hex68b8eda

109809370 has 48 divisors (see below), whose sum is σ = 223505568. Its totient is φ = 38521280.

The previous prime is 109809367. The next prime is 109809373. The reversal of 109809370 is 73908901.

It is an interprime number because it is at equal distance from previous prime (109809367) and next prime (109809373).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (109809373) 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, 91917 + ... + 93103.

It is an arithmetic number, because the mean of its divisors is an integer number (4656366).

Almost surely, 2109809370 is an apocalyptic number.

109809370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109809370 is an abundant number, since it is smaller than the sum of its proper divisors (113696198).

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

109809370 is a wasteful number, since it uses less digits than its factorization.

109809370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 109809370 is about 10478.9966122716. The cubic root of 109809370 is about 478.8650413093.

The spelling of 109809370 in words is "one hundred nine million, eight hundred nine thousand, three hundred seventy".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 841 1187 1595 1682 2374 3190 4205 5935 8410 9251 11870 13057 18502 26114 34423 46255 65285 68846 92510 130570 172115 344230 378653 757306 998267 1893265 1996534 3786530 4991335 9982670 10980937 21961874 54904685 109809370