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104404340 = 2255220217
BaseRepresentation
bin1100011100100…
…01010101110100
321021110021211102
412032101111310
5203211414330
614205425232
72405264555
oct616212564
9237407742
10104404340
1153a2a587
122ab6b218
1318826421
14dc1a32c
159274945
hex6391574

104404340 has 12 divisors (see below), whose sum is σ = 219249156. Its totient is φ = 41761728.

The previous prime is 104404331. The next prime is 104404369. The reversal of 104404340 is 43404401.

It can be written as a sum of positive squares in 2 ways, for example, as 47914084 + 56490256 = 6922^2 + 7516^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5220217 = 104404340 / (1 + 0 + 4 + 4 + 0 + 4 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610089 + ... + 2610128.

It is an arithmetic number, because the mean of its divisors is an integer number (18270763).

Almost surely, 2104404340 is an apocalyptic number.

104404340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104404340 is an abundant number, since it is smaller than the sum of its proper divisors (114844816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104404340 is a wasteful number, since it uses less digits than its factorization.

104404340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220226 (or 5220224 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 104404340 is about 10217.8441953281. The cubic root of 104404340 is about 470.8755972886.

Adding to 104404340 its reverse (43404401), we get a palindrome (147808741).

The spelling of 104404340 in words is "one hundred four million, four hundred four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5220217 10440434 20880868 26101085 52202170 104404340