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1230440103 = 32535943721
BaseRepresentation
bin100100101010111…
…0000011010100111
310011202021211111200
41021111300122213
510004443040403
6322032333543
742330365634
oct11125603247
93152254450
101230440103
11581607952
122a40a42b3
13167bc1889
14b95b518b
157304eca3
hex495706a7

1230440103 has 24 divisors (see below), whose sum is σ = 1841570640. Its totient is φ = 791157120.

The previous prime is 1230440087. The next prime is 1230440111. The reversal of 1230440103 is 3010440321.

1230440103 is a `hidden beast` number, since 123 + 0 + 440 + 103 = 666.

It is not a de Polignac number, because 1230440103 - 24 = 1230440087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230440303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6283 + ... + 50003.

It is an arithmetic number, because the mean of its divisors is an integer number (76732110).

Almost surely, 21230440103 is an apocalyptic number.

1230440103 is a deficient number, since it is larger than the sum of its proper divisors (611130537).

1230440103 is a wasteful number, since it uses less digits than its factorization.

1230440103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43839 (or 43836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1230440103 is about 35077.6296662132. The cubic root of 1230440103 is about 1071.5690442945.

Adding to 1230440103 its reverse (3010440321), we get a palindrome (4240880424).

The spelling of 1230440103 in words is "one billion, two hundred thirty million, four hundred forty thousand, one hundred three".

Divisors: 1 3 9 53 59 159 177 477 531 3127 9381 28143 43721 131163 393489 2317213 2579539 6951639 7738617 20854917 23215851 136715567 410146701 1230440103