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103964939 = 137997303
BaseRepresentation
bin1100011001001…
…10000100001011
321020121222002022
412030212010023
5203103334224
614152155055
72401454531
oct614460413
9236558068
10103964939
115375a441
122a998a8b
1318701420
14db44151
1591d965e
hex632610b

103964939 has 4 divisors (see below), whose sum is σ = 111962256. Its totient is φ = 95967624.

The previous prime is 103964909. The next prime is 103964969. The reversal of 103964939 is 939469301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939469301 = 1516221651.

It is an interprime number because it is at equal distance from previous prime (103964909) and next prime (103964969).

It is a cyclic number.

It is not a de Polignac number, because 103964939 - 28 = 103964683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103964939.

It is not an unprimeable number, because it can be changed into a prime (103964909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3998639 + ... + 3998664.

It is an arithmetic number, because the mean of its divisors is an integer number (27990564).

Almost surely, 2103964939 is an apocalyptic number.

103964939 is a deficient number, since it is larger than the sum of its proper divisors (7997317).

103964939 is an equidigital number, since it uses as much as digits as its factorization.

103964939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997316.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 103964939 is about 10196.3198753276. The cubic root of 103964939 is about 470.2140853573.

The spelling of 103964939 in words is "one hundred three million, nine hundred sixty-four thousand, nine hundred thirty-nine".

Divisors: 1 13 7997303 103964939