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109284689 = 832335651
BaseRepresentation
bin1101000001110…
…00110101010001
321121122020102002
412200320311101
5210434102224
614502203345
72464622153
oct640706521
9247566362
10109284689
1156763228
1230723555
13198448c7
141072aad3
1598da9ae
hex6838d51

109284689 has 8 divisors (see below), whose sum is σ = 111095712. Its totient is φ = 107485600.

The previous prime is 109284677. The next prime is 109284701. The reversal of 109284689 is 986482901.

It is an interprime number because it is at equal distance from previous prime (109284677) and next prime (109284701).

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 109284689 - 28 = 109284433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109284649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16514 + ... + 22164.

It is an arithmetic number, because the mean of its divisors is an integer number (13886964).

Almost surely, 2109284689 is an apocalyptic number.

It is an amenable number.

109284689 is a deficient number, since it is larger than the sum of its proper divisors (1811023).

109284689 is an equidigital number, since it uses as much as digits as its factorization.

109284689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 109284689 is about 10453.9317483902. The cubic root of 109284689 is about 478.1011337511.

The spelling of 109284689 in words is "one hundred nine million, two hundred eighty-four thousand, six hundred eighty-nine".

Divisors: 1 83 233 5651 19339 469033 1316683 109284689