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103240423 = 1113721961
BaseRepresentation
bin1100010011101…
…01001011100111
321012021011020101
412021311023213
5202412143143
614124444531
72362346326
oct611651347
9235234211
10103240423
1153305070
122a6a9747
1318509710
14d9d60bd
1590e4b4d
hex62752e7

103240423 has 8 divisors (see below), whose sum is σ = 121289616. Its totient is φ = 86635200.

The previous prime is 103240391. The next prime is 103240427. The reversal of 103240423 is 324042301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103240423 - 25 = 103240391 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 103240423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103240427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360838 + ... + 361123.

It is an arithmetic number, because the mean of its divisors is an integer number (15161202).

Almost surely, 2103240423 is an apocalyptic number.

103240423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103240423 is a deficient number, since it is larger than the sum of its proper divisors (18049193).

103240423 is a wasteful number, since it uses less digits than its factorization.

103240423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721985.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 103240423 is about 10160.7294521604. The cubic root of 103240423 is about 469.1192544564.

Adding to 103240423 its reverse (324042301), we get a palindrome (427282724).

The spelling of 103240423 in words is "one hundred three million, two hundred forty thousand, four hundred twenty-three".

Divisors: 1 11 13 143 721961 7941571 9385493 103240423