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109798417 = 631174007
BaseRepresentation
bin1101000101101…
…10010000010001
321122121100010001
412202312100101
5211102022132
614521210001
72502162001
oct642662021
9248540101
10109798417
1156a841a3
1230930901
13199946a1
1410822001
15998cce7
hex68b6411

109798417 has 4 divisors (see below), whose sum is σ = 109973056. Its totient is φ = 109623780.

The previous prime is 109798411. The next prime is 109798433. The reversal of 109798417 is 714897901.

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.

It is a cyclic number.

It is not a de Polignac number, because 109798417 - 211 = 109796369 is a prime.

It is a super-3 number, since 3×1097984173 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109798411) 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 3 ways as a sum of consecutive naturals, for example, 86373 + ... + 87634.

It is an arithmetic number, because the mean of its divisors is an integer number (27493264).

Almost surely, 2109798417 is an apocalyptic number.

It is an amenable number.

109798417 is a deficient number, since it is larger than the sum of its proper divisors (174639).

109798417 is an equidigital number, since it uses as much as digits as its factorization.

109798417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174638.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 109798417 is about 10478.4739824079. The cubic root of 109798417 is about 478.8491192218.

It can be divided in two parts, 109798 and 417, that added together give a triangular number (110215 = T469).

The spelling of 109798417 in words is "one hundred nine million, seven hundred ninety-eight thousand, four hundred seventeen".

Divisors: 1 631 174007 109798417