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103983919 = 137998763
BaseRepresentation
bin1100011001010…
…10101100101111
321020122221010021
412030222230233
5203104441134
614152423011
72401564054
oct614525457
9236587107
10103983919
1153772726
122a9a7a67
1318709c60
14db4b02b
1591e00b4
hex632ab2f

103983919 has 4 divisors (see below), whose sum is σ = 111982696. Its totient is φ = 95985144.

The previous prime is 103983863. The next prime is 103983967. The reversal of 103983919 is 919389301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 919389301 = 1345168351.

It is a cyclic number.

It is not a de Polignac number, because 103983919 - 213 = 103975727 is a prime.

It is a super-2 number, since 2×1039839192 = 21625310821197122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103983619) 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, 3999369 + ... + 3999394.

It is an arithmetic number, because the mean of its divisors is an integer number (27995674).

Almost surely, 2103983919 is an apocalyptic number.

103983919 is a deficient number, since it is larger than the sum of its proper divisors (7998777).

103983919 is an equidigital number, since it uses as much as digits as its factorization.

103983919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998776.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 103983919 is about 10197.2505608129. The cubic root of 103983919 is about 470.2426979530.

The spelling of 103983919 in words is "one hundred three million, nine hundred eighty-three thousand, nine hundred nineteen".

Divisors: 1 13 7998763 103983919