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104490619 = 176146507
BaseRepresentation
bin1100011101001…
…10011001111011
321021121200011221
412032212121323
5203222144434
614211332511
72406104242
oct616463173
9237550157
10104490619
1153a89392
122abb1137
131885678c
14dc3d959
1592902b4
hex63a667b

104490619 has 4 divisors (see below), whose sum is σ = 110637144. Its totient is φ = 98344096.

The previous prime is 104490601. The next prime is 104490643. The reversal of 104490619 is 916094401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 916094401 = 6115017941.

It is a cyclic number.

It is not a de Polignac number, because 104490619 - 223 = 96102011 is a prime.

It is a super-2 number, since 2×1044906192 = 21836578918006322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104490649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3073237 + ... + 3073270.

It is an arithmetic number, because the mean of its divisors is an integer number (27659286).

Almost surely, 2104490619 is an apocalyptic number.

104490619 is a deficient number, since it is larger than the sum of its proper divisors (6146525).

104490619 is an equidigital number, since it uses as much as digits as its factorization.

104490619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146524.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 104490619 is about 10222.0653001240. The cubic root of 104490619 is about 471.0052709835.

The spelling of 104490619 in words is "one hundred four million, four hundred ninety thousand, six hundred nineteen".

Divisors: 1 17 6146507 104490619