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104252213 = 132616877
BaseRepresentation
bin1100011011011…
…00001100110101
321021011120011002
412031230030311
5203142032323
614202253045
72404062212
oct615541465
9237146132
10104252213
115393625a
122aab7185
13187a2100
14dbbab09
159244828
hex636c335

104252213 has 6 divisors (see below), whose sum is σ = 112888674. Its totient is φ = 96232656.

The previous prime is 104252207. The next prime is 104252227. The reversal of 104252213 is 312252401.

It can be written as a sum of positive squares in 3 ways, for example, as 253009 + 103999204 = 503^2 + 10198^2 .

It is not a de Polignac number, because 104252213 - 26 = 104252149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104252243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308270 + ... + 308607.

It is an arithmetic number, because the mean of its divisors is an integer number (18814779).

Almost surely, 2104252213 is an apocalyptic number.

104252213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

104252213 is a deficient number, since it is larger than the sum of its proper divisors (8636461).

104252213 is an equidigital number, since it uses as much as digits as its factorization.

104252213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616903 (or 616890 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 104252213 is about 10210.3972988322. The cubic root of 104252213 is about 470.6467826877.

The spelling of 104252213 in words is "one hundred four million, two hundred fifty-two thousand, two hundred thirteen".

Divisors: 1 13 169 616877 8019401 104252213