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104348721 = 334782907
BaseRepresentation
bin1100011100000…
…11110000110001
321021100110112110
412032003300301
5203203124341
614204315533
72404643451
oct616036061
9237313473
10104348721
11539a1814
122ab42ba9
1318807009
14dc03d61
159263216
hex6383c31

104348721 has 4 divisors (see below), whose sum is σ = 139131632. Its totient is φ = 69565812.

The previous prime is 104348711. The next prime is 104348729. The reversal of 104348721 is 127843401.

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 104348721 - 25 = 104348689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104348729) 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, 17391451 + ... + 17391456.

It is an arithmetic number, because the mean of its divisors is an integer number (34782908).

Almost surely, 2104348721 is an apocalyptic number.

It is an amenable number.

104348721 is a deficient number, since it is larger than the sum of its proper divisors (34782911).

104348721 is an equidigital number, since it uses as much as digits as its factorization.

104348721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34782910.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 104348721 is about 10215.1221725440. The cubic root of 104348721 is about 470.7919664042.

The spelling of 104348721 in words is "one hundred four million, three hundred forty-eight thousand, seven hundred twenty-one".

Divisors: 1 3 34782907 104348721