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103920959 = 313352289
BaseRepresentation
bin1100011000110…
…11010100111111
321020112201202102
412030123110333
5203100432314
614151215315
72401212362
oct614332477
9236481672
10103920959
115372a39a
122a97753b
13186b73bc
14db320d9
1591cb5de
hex631b53f

103920959 has 4 divisors (see below), whose sum is σ = 107273280. Its totient is φ = 100568640.

The previous prime is 103920941. The next prime is 103920977. The reversal of 103920959 is 959029301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 959029301 = 4322303007.

It is an interprime number because it is at equal distance from previous prime (103920941) and next prime (103920977).

It is a cyclic number.

It is not a de Polignac number, because 103920959 - 28 = 103920703 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 (103920919) 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, 1676114 + ... + 1676175.

It is an arithmetic number, because the mean of its divisors is an integer number (26818320).

Almost surely, 2103920959 is an apocalyptic number.

103920959 is a deficient number, since it is larger than the sum of its proper divisors (3352321).

103920959 is an equidigital number, since it uses as much as digits as its factorization.

103920959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352320.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 103920959 is about 10194.1629867292. The cubic root of 103920959 is about 470.1477715518.

The spelling of 103920959 in words is "one hundred three million, nine hundred twenty thousand, nine hundred fifty-nine".

Divisors: 1 31 3352289 103920959