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109671361 = 479228959
BaseRepresentation
bin1101000100101…
…11001111000001
321122100212211021
412202113033001
5211033440421
614514345441
72501122402
oct642271701
9248325737
10109671361
11569a7798
123088b281
131994b8c7
14107cb9a9
159965341
hex68973c1

109671361 has 4 divisors (see below), whose sum is σ = 109900800. Its totient is φ = 109441924.

The previous prime is 109671349. The next prime is 109671379. The reversal of 109671361 is 163176901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163176901 = 315263771.

It is a cyclic number.

It is not a de Polignac number, because 109671361 - 25 = 109671329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109671311) 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 3 ways as a sum of consecutive naturals, for example, 114001 + ... + 114958.

It is an arithmetic number, because the mean of its divisors is an integer number (27475200).

Almost surely, 2109671361 is an apocalyptic number.

It is an amenable number.

109671361 is a deficient number, since it is larger than the sum of its proper divisors (229439).

109671361 is an equidigital number, since it uses as much as digits as its factorization.

109671361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229438.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 109671361 is about 10472.4095126193. The cubic root of 109671361 is about 478.6643438300.

The spelling of 109671361 in words is "one hundred nine million, six hundred seventy-one thousand, three hundred sixty-one".

Divisors: 1 479 228959 109671361