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109949720 = 23522712109
BaseRepresentation
bin1101000110110…
…11001100011000
321122220000122212
412203123030120
5211121342340
614524334252
72503362056
oct643331430
9248800585
10109949720
1157077941
12309a4388
1319a1850a
14108611d6
1599bca65
hex68db318

109949720 has 32 divisors (see below), whose sum is σ = 248497200. Its totient is φ = 43782528.

The previous prime is 109949699. The next prime is 109949731. The reversal of 109949720 is 27949901.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3026 + ... + 15134.

Almost surely, 2109949720 is an apocalyptic number.

109949720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109949720 is an abundant number, since it is smaller than the sum of its proper divisors (138547480).

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

109949720 is a wasteful number, since it uses less digits than its factorization.

109949720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12347 (or 12343 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 109949720 is about 10485.6912027772. The cubic root of 109949720 is about 479.0689707650.

The spelling of 109949720 in words is "one hundred nine million, nine hundred forty-nine thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 227 454 908 1135 1816 2270 4540 9080 12109 24218 48436 60545 96872 121090 242180 484360 2748743 5497486 10994972 13743715 21989944 27487430 54974860 109949720