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109638330 = 23522915959
BaseRepresentation
bin1101000100011…
…11001010111010
321122022012111220
412202033022322
5211031411310
614513532510
72500624164
oct642171272
9248265456
10109638330
115698499a
1230874136
1319939869
14107bd934
15995a670
hex688f2ba

109638330 has 32 divisors (see below), whose sum is σ = 264297600. Its totient is φ = 29107392.

The previous prime is 109638323. The next prime is 109638391. The reversal of 109638330 is 33836901.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 109638291 and 109638300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110 + ... + 14849.

It is an arithmetic number, because the mean of its divisors is an integer number (8259300).

Almost surely, 2109638330 is an apocalyptic number.

109638330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109638330 is an abundant number, since it is smaller than the sum of its proper divisors (154659270).

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

109638330 is a wasteful number, since it uses less digits than its factorization.

109638330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16198.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 109638330 is about 10470.8323451386. The cubic root of 109638330 is about 478.6162840346.

The spelling of 109638330 in words is "one hundred nine million, six hundred thirty-eight thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 229 458 687 1145 1374 2290 3435 6870 15959 31918 47877 79795 95754 159590 239385 478770 3654611 7309222 10963833 18273055 21927666 36546110 54819165 109638330