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104986345 = 520997269
BaseRepresentation
bin1100100000111…
…11011011101001
321022112212012011
412100133123221
5203334030340
614230115521
72413240432
oct620373351
9238485164
10104986345
1154297882
122b1abba1
131899b2c9
14dd2c489
15933c0ea
hex641f6e9

104986345 has 4 divisors (see below), whose sum is σ = 125983620. Its totient is φ = 83989072.

The previous prime is 104986333. The next prime is 104986361. The reversal of 104986345 is 543689401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543689401 = 618912941.

It can be written as a sum of positive squares in 2 ways, for example, as 66781584 + 38204761 = 8172^2 + 6181^2 .

It is a cyclic number.

It is not a de Polignac number, because 104986345 - 25 = 104986313 is a prime.

It is a super-2 number, since 2×1049863452 = 22044265272918050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104986298 and 104986307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10498630 + ... + 10498639.

It is an arithmetic number, because the mean of its divisors is an integer number (31495905).

Almost surely, 2104986345 is an apocalyptic number.

It is an amenable number.

104986345 is a deficient number, since it is larger than the sum of its proper divisors (20997275).

104986345 is an equidigital number, since it uses as much as digits as its factorization.

104986345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20997274.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 104986345 is about 10246.2844485208. The cubic root of 104986345 is about 471.7489463161.

The spelling of 104986345 in words is "one hundred four million, nine hundred eighty-six thousand, three hundred forty-five".

Divisors: 1 5 20997269 104986345