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109520641 = 238953503
BaseRepresentation
bin1101000011100…
…10011100000001
321122002020002001
412201302130001
5211014130031
614511224001
72466624106
oct641623401
9248066061
10109520641
115690452a
1230818001
13198c8119
141078caad
159935861
hex6872701

109520641 has 8 divisors (see below), whose sum is σ = 115568640. Its totient is φ = 103579872.

The previous prime is 109520639. The next prime is 109520651. The reversal of 109520641 is 146025901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109520641 - 21 = 109520639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109520651) 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, 24705 + ... + 28798.

It is an arithmetic number, because the mean of its divisors is an integer number (14446080).

Almost surely, 2109520641 is an apocalyptic number.

It is an amenable number.

109520641 is a deficient number, since it is larger than the sum of its proper divisors (6047999).

109520641 is an equidigital number, since it uses as much as digits as its factorization.

109520641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53615.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 109520641 is about 10465.2109868841. The cubic root of 109520641 is about 478.4449691349. Note that the first 3 decimals are identical.

It can be divided in two parts, 1095 and 20641, that added together give a triangular number (21736 = T208).

The spelling of 109520641 in words is "one hundred nine million, five hundred twenty thousand, six hundred forty-one".

Divisors: 1 23 89 2047 53503 1230569 4761767 109520641