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104089805 = 592922409
BaseRepresentation
bin1100011010001…
…00100011001101
321020212022100222
412031010203031
5203121333210
614155001125
72402514551
oct615044315
9236768328
10104089805
1153835236
122aa391a5
1318746201
14db77861
159211655
hex63448cd

104089805 has 8 divisors (see below), whose sum is σ = 125047800. Its totient is φ = 83178496.

The previous prime is 104089801. The next prime is 104089807. The reversal of 104089805 is 508980401.

It can be written as a sum of positive squares in 4 ways, for example, as 90601 + 103999204 = 301^2 + 10198^2 .

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 104089805 - 22 = 104089801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104089801) 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, 6560 + ... + 15849.

It is an arithmetic number, because the mean of its divisors is an integer number (15630975).

Almost surely, 2104089805 is an apocalyptic number.

It is an amenable number.

104089805 is a deficient number, since it is larger than the sum of its proper divisors (20957995).

104089805 is an equidigital number, since it uses as much as digits as its factorization.

104089805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23343.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 104089805 is about 10202.4411294552. The cubic root of 104089805 is about 470.4022586087.

The spelling of 104089805 in words is "one hundred four million, eighty-nine thousand, eight hundred five".

Divisors: 1 5 929 4645 22409 112045 20817961 104089805