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109440210 = 235112314419
BaseRepresentation
bin1101000010111…
…10110011010010
321121221010202010
412201132303102
5211004041320
614505403350
72466140445
oct641366322
9247833663
10109440210
115685a060
1230799556
131989a629
141076b65c
15991bae0
hex685ecd2

109440210 has 64 divisors (see below), whose sum is σ = 299013120. Its totient is φ = 25375680.

The previous prime is 109440179. The next prime is 109440211. The reversal of 109440210 is 12044901.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109440211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381 + ... + 14799.

It is an arithmetic number, because the mean of its divisors is an integer number (4672080).

Almost surely, 2109440210 is an apocalyptic number.

109440210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109440210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149506560).

109440210 is an abundant number, since it is smaller than the sum of its proper divisors (189572910).

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

109440210 is a wasteful number, since it uses less digits than its factorization.

109440210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 109440210 is about 10461.3675014312. The cubic root of 109440210 is about 478.3278185197.

The spelling of 109440210 in words is "one hundred nine million, four hundred forty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 23 30 33 46 55 66 69 110 115 138 165 230 253 330 345 506 690 759 1265 1518 2530 3795 7590 14419 28838 43257 72095 86514 144190 158609 216285 317218 331637 432570 475827 663274 793045 951654 994911 1586090 1658185 1989822 2379135 3316370 3648007 4758270 4974555 7296014 9949110 10944021 18240035 21888042 36480070 54720105 109440210