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104909019 = 3199175727
BaseRepresentation
bin1100100000011…
…00100011011011
321022101221010020
412100030203123
5203324042034
614224321523
72412466125
oct620144333
9238357106
10104909019
1154244776
122b1732a3
1318972057
14dd0c215
159324249
hex640c8db

104909019 has 8 divisors (see below), whose sum is σ = 140582400. Its totient is φ = 69587496.

The previous prime is 104909009. The next prime is 104909027. The reversal of 104909019 is 910909401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-104909019 is a prime.

It is a super-2 number, since 2×1049090192 = 22011804535084722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104909009) 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, 87267 + ... + 88460.

It is an arithmetic number, because the mean of its divisors is an integer number (17572800).

Almost surely, 2104909019 is an apocalyptic number.

104909019 is a deficient number, since it is larger than the sum of its proper divisors (35673381).

104909019 is a wasteful number, since it uses less digits than its factorization.

104909019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175929.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 104909019 is about 10242.5103856428. The cubic root of 104909019 is about 471.6330981755.

The spelling of 104909019 in words is "one hundred four million, nine hundred nine thousand, nineteen".

Divisors: 1 3 199 597 175727 527181 34969673 104909019