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109631530 = 2515769829
BaseRepresentation
bin1101000100011…
…01100000101010
321122021212012001
412202031200222
5211031202110
614513441214
72500565311
oct642154052
9248255161
10109631530
115697a878
123087020a
1319936738
14107bb278
15995863a
hex688d82a

109631530 has 16 divisors (see below), whose sum is σ = 198596520. Its totient is φ = 43572672.

The previous prime is 109631491. The next prime is 109631537. The reversal of 109631530 is 35136901.

It can be written as a sum of positive squares in 4 ways, for example, as 42211009 + 67420521 = 6497^2 + 8211^2 .

It is not an unprimeable number, because it can be changed into a prime (109631537) 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 7 ways as a sum of consecutive naturals, for example, 33345 + ... + 36484.

Almost surely, 2109631530 is an apocalyptic number.

109631530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109631530 is a deficient number, since it is larger than the sum of its proper divisors (88964990).

109631530 is a wasteful number, since it uses less digits than its factorization.

109631530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69993.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 109631530 is about 10470.5076285727. The cubic root of 109631530 is about 478.6063889003.

The spelling of 109631530 in words is "one hundred nine million, six hundred thirty-one thousand, five hundred thirty".

Divisors: 1 2 5 10 157 314 785 1570 69829 139658 349145 698290 10963153 21926306 54815765 109631530