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109083240 = 23335747307
BaseRepresentation
bin1101000000001…
…11101001101000
321121021000002000
412200013221220
5210411130430
614454011000
72463122640
oct640075150
9247230060
10109083240
1156635942
1230646a60
13197a3cc6
14106b7520
15989ae60
hex6807a68

109083240 has 256 divisors, whose sum is σ = 425779200. Its totient is φ = 24323328.

The previous prime is 109083229. The next prime is 109083241. The reversal of 109083240 is 42380901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109083241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 355167 + ... + 355473.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2109083240 is an apocalyptic number.

109083240 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 109083240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212889600).

109083240 is an abundant number, since it is smaller than the sum of its proper divisors (316695960).

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

109083240 is a wasteful number, since it uses less digits than its factorization.

109083240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 109083240 is about 10444.2922211129. The cubic root of 109083240 is about 477.8071851779.

The spelling of 109083240 in words is "one hundred nine million, eighty-three thousand, two hundred forty".