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104025081 = 334675027
BaseRepresentation
bin1100011001101…
…00101111111001
321020202000120210
412030310233321
5203112300311
614153341333
72402125056
oct614645771
9236660523
10104025081
11537a0646
122aa07849
1318722904
14db5c02d
1591ec3a6
hex6334bf9

104025081 has 4 divisors (see below), whose sum is σ = 138700112. Its totient is φ = 69350052.

The previous prime is 104025037. The next prime is 104025101. The reversal of 104025081 is 180520401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 180520401 = 360173467.

It is not a de Polignac number, because 104025081 - 26 = 104025017 is a prime.

It is a super-2 number, since 2×1040250812 = 21642434954113122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104025281) 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, 17337511 + ... + 17337516.

It is an arithmetic number, because the mean of its divisors is an integer number (34675028).

Almost surely, 2104025081 is an apocalyptic number.

It is an amenable number.

104025081 is a deficient number, since it is larger than the sum of its proper divisors (34675031).

104025081 is an equidigital number, since it uses as much as digits as its factorization.

104025081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34675030.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 104025081 is about 10199.2686502514. The cubic root of 104025081 is about 470.3047382398.

Adding to 104025081 its reverse (180520401), we get a palindrome (284545482).

The spelling of 104025081 in words is "one hundred four million, twenty-five thousand, eighty-one".

Divisors: 1 3 34675027 104025081