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103744913 = 505920507
BaseRepresentation
bin1100010111100…
…00010110010001
321020012210021012
412023300112101
5203024314123
614143340305
72366550206
oct613602621
9236183235
10103744913
115361a0a8
122a8b1695
131865522c
14dac7cad
159194378
hex62f0591

103744913 has 4 divisors (see below), whose sum is σ = 103770480. Its totient is φ = 103719348.

The previous prime is 103744859. The next prime is 103744943. The reversal of 103744913 is 319447301.

103744913 is nontrivially palindromic in base 14.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103744913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103744913.

It is not an unprimeable number, because it can be changed into a prime (103744943) 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, 5195 + ... + 15312.

It is an arithmetic number, because the mean of its divisors is an integer number (25942620).

Almost surely, 2103744913 is an apocalyptic number.

It is an amenable number.

103744913 is a deficient number, since it is larger than the sum of its proper divisors (25567).

103744913 is an equidigital number, since it uses as much as digits as its factorization.

103744913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25566.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 103744913 is about 10185.5246796618. The cubic root of 103744913 is about 469.8821388486.

The spelling of 103744913 in words is "one hundred three million, seven hundred forty-four thousand, nine hundred thirteen".

Divisors: 1 5059 20507 103744913