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104405101 = 599174299
BaseRepresentation
bin1100011100100…
…01100001101101
321021110022212121
412032101201231
5203211430401
614205432541
72405300023
oct616214155
9237408777
10104405101
1153a30109
122ab6b751
1318826888
14dc1a713
159274ca1
hex639186d

104405101 has 4 divisors (see below), whose sum is σ = 104580000. Its totient is φ = 104230204.

The previous prime is 104405051. The next prime is 104405113. The reversal of 104405101 is 101504401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104405101 - 29 = 104404589 is a prime.

It is a super-2 number, since 2×1044051012 = 21800850229640402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104405131) by changing a digit.

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, 86551 + ... + 87748.

It is an arithmetic number, because the mean of its divisors is an integer number (26145000).

Almost surely, 2104405101 is an apocalyptic number.

It is an amenable number.

104405101 is a deficient number, since it is larger than the sum of its proper divisors (174899).

104405101 is an equidigital number, since it uses as much as digits as its factorization.

104405101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174898.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 104405101 is about 10217.8814340351. The cubic root of 104405101 is about 470.8767413517.

Adding to 104405101 its reverse (101504401), we get a palindrome (205909502).

The spelling of 104405101 in words is "one hundred four million, four hundred five thousand, one hundred one".

Divisors: 1 599 174299 104405101