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104044405 = 520808881
BaseRepresentation
bin1100011001110…
…01011101110101
321020210000002111
412030321131311
5203113410110
614154011021
72402235313
oct614713565
9236700074
10104044405
1153804113
122aa16a71
131872b64a
14db650b3
159202e8a
hex6339775

104044405 has 4 divisors (see below), whose sum is σ = 124853292. Its totient is φ = 83235520.

The previous prime is 104044393. The next prime is 104044427. The reversal of 104044405 is 504440401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21288996 + 82755409 = 4614^2 + 9097^2 .

It is not a de Polignac number, because 104044405 - 213 = 104036213 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 10404436 + ... + 10404445.

It is an arithmetic number, because the mean of its divisors is an integer number (31213323).

Almost surely, 2104044405 is an apocalyptic number.

It is an amenable number.

104044405 is a deficient number, since it is larger than the sum of its proper divisors (20808887).

104044405 is an equidigital number, since it uses as much as digits as its factorization.

104044405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20808886.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 104044405 is about 10200.2159290870. The cubic root of 104044405 is about 470.3338581596. Note that the first 3 decimals are identical.

Adding to 104044405 its reverse (504440401), we get a palindrome (608484806).

The spelling of 104044405 in words is "one hundred four million, forty-four thousand, four hundred five".

Divisors: 1 5 20808881 104044405