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103960421 = 131793591
BaseRepresentation
bin1100011001001…
…00111101100101
321020121201212222
412030210331211
5203103213141
614152122125
72401435415
oct614447545
9236551788
10103960421
1153757004
122a996345
13186cc356
14db42645
1591d814b
hex6324f65

103960421 has 4 divisors (see below), whose sum is σ = 104754144. Its totient is φ = 103166700.

The previous prime is 103960399. The next prime is 103960433. The reversal of 103960421 is 124069301.

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: 124069301 = 151821651.

It is a cyclic number.

It is not a de Polignac number, because 103960421 - 210 = 103959397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103960471) 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, 396665 + ... + 396926.

It is an arithmetic number, because the mean of its divisors is an integer number (26188536).

Almost surely, 2103960421 is an apocalyptic number.

It is an amenable number.

103960421 is a deficient number, since it is larger than the sum of its proper divisors (793723).

103960421 is an equidigital number, since it uses as much as digits as its factorization.

103960421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793722.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 103960421 is about 10196.0983223976. The cubic root of 103960421 is about 470.2072739007.

The spelling of 103960421 in words is "one hundred three million, nine hundred sixty thousand, four hundred twenty-one".

Divisors: 1 131 793591 103960421