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109799573 = 1361138461
BaseRepresentation
bin1101000101101…
…10100010010101
321122121101200212
412202312202111
5211102041243
614521215205
72502165242
oct642664225
9248541625
10109799573
1156a85054
1230931505
1319995080
14108225c9
15998d318
hex68b6895

109799573 has 8 divisors (see below), whose sum is σ = 120185016. Its totient is φ = 99691200.

The previous prime is 109799563. The next prime is 109799579. The reversal of 109799573 is 375997901.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3771364 + 106028209 = 1942^2 + 10297^2 .

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 109799573 - 26 = 109799509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109799579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68438 + ... + 70023.

It is an arithmetic number, because the mean of its divisors is an integer number (15023127).

Almost surely, 2109799573 is an apocalyptic number.

109799573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109799573 is a deficient number, since it is larger than the sum of its proper divisors (10385443).

109799573 is a wasteful number, since it uses less digits than its factorization.

109799573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138535.

The product of its (nonzero) digits is 535815, while the sum is 50.

The square root of 109799573 is about 10478.5291429666. The cubic root of 109799573 is about 478.8507997185.

The spelling of 109799573 in words is "one hundred nine million, seven hundred ninety-nine thousand, five hundred seventy-three".

Divisors: 1 13 61 793 138461 1799993 8446121 109799573