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109184680 = 235112310789
BaseRepresentation
bin1101000001000…
…00011010101000
321121110011020001
412200200122220
5210422402210
614500112344
72464024453
oct640403250
9247404201
10109184680
11566a5080
12306956b4
131980b227
141070249a
1598bb03a
hex68206a8

109184680 has 64 divisors (see below), whose sum is σ = 279676800. Its totient is φ = 37973760.

The previous prime is 109184671. The next prime is 109184683. The reversal of 109184680 is 86481901.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (109184683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4726 + ... + 15514.

It is an arithmetic number, because the mean of its divisors is an integer number (4369950).

Almost surely, 2109184680 is an apocalyptic number.

109184680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109184680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139838400).

109184680 is an abundant number, since it is smaller than the sum of its proper divisors (170492120).

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

109184680 is a wasteful number, since it uses less digits than its factorization.

109184680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10834 (or 10830 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 109184680 is about 10449.1473336345. The cubic root of 109184680 is about 477.9552486947.

The spelling of 109184680 in words is "one hundred nine million, one hundred eighty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 23 40 44 46 55 88 92 110 115 184 220 230 253 440 460 506 920 1012 1265 2024 2530 5060 10120 10789 21578 43156 53945 86312 107890 118679 215780 237358 248147 431560 474716 496294 593395 949432 992588 1186790 1240735 1985176 2373580 2481470 2729617 4747160 4962940 5459234 9925880 10918468 13648085 21836936 27296170 54592340 109184680