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109478730 = 23523915269
BaseRepresentation
bin1101000011010…
…00001101001010
321122000002120210
412201220031022
5211011304410
614510301550
72466360654
oct641501512
9248002523
10109478730
1156885a99
12307b78b6
13198b201a
141077b6d4
159928220
hex686834a

109478730 has 32 divisors (see below), whose sum is σ = 263865600. Its totient is φ = 29070272.

The previous prime is 109478711. The next prime is 109478749. The reversal of 109478730 is 37874901.

It is an interprime number because it is at equal distance from previous prime (109478711) and next prime (109478749).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 465 + ... + 14804.

It is an arithmetic number, because the mean of its divisors is an integer number (8245800).

Almost surely, 2109478730 is an apocalyptic number.

109478730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109478730 is an abundant number, since it is smaller than the sum of its proper divisors (154386870).

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

109478730 is a wasteful number, since it uses less digits than its factorization.

109478730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15518.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 109478730 is about 10463.2083989568. The cubic root of 109478730 is about 478.3839314307.

The spelling of 109478730 in words is "one hundred nine million, four hundred seventy-eight thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 239 478 717 1195 1434 2390 3585 7170 15269 30538 45807 76345 91614 152690 229035 458070 3649291 7298582 10947873 18246455 21895746 36492910 54739365 109478730