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104346381 = 334782127
BaseRepresentation
bin1100011100000…
…11001100001101
321021100100022210
412032003030031
5203203041011
614204301033
72404633566
oct616031415
9237310283
10104346381
115399aa87
122ab41779
1318805c29
14dc0316d
1592626a6
hex638330d

104346381 has 4 divisors (see below), whose sum is σ = 139128512. Its totient is φ = 69564252.

The previous prime is 104346367. The next prime is 104346421. The reversal of 104346381 is 183643401.

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 not a de Polignac number, because 104346381 - 26 = 104346317 is a prime.

It is a super-2 number, since 2×1043463812 = 21776334455594322, which contains 22 as substring.

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 (104346311) 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, 17391061 + ... + 17391066.

It is an arithmetic number, because the mean of its divisors is an integer number (34782128).

Almost surely, 2104346381 is an apocalyptic number.

It is an amenable number.

104346381 is a deficient number, since it is larger than the sum of its proper divisors (34782131).

104346381 is an equidigital number, since it uses as much as digits as its factorization.

104346381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34782130.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 104346381 is about 10215.0076358268. The cubic root of 104346381 is about 470.7884472381.

Adding to 104346381 its reverse (183643401), we get a palindrome (287989782).

The spelling of 104346381 in words is "one hundred four million, three hundred forty-six thousand, three hundred eighty-one".

Divisors: 1 3 34782127 104346381