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1234503140 = 225136770867
BaseRepresentation
bin100100110010101…
…0000010111100100
310012000221020221112
41021211100113210
510012013100030
6322255404152
742410050343
oct11145202744
93160836845
101234503140
11583932532
122a5523658
131689b5040
14b9d51b5a
15735a3a95
hex499505e4

1234503140 has 48 divisors (see below), whose sum is σ = 2833586112. Its totient is φ = 449006976.

The previous prime is 1234503121. The next prime is 1234503143. The reversal of 1234503140 is 413054321.

It is not an unprimeable number, because it can be changed into a prime (1234503143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18014 + ... + 52853.

It is an arithmetic number, because the mean of its divisors is an integer number (59033044).

Almost surely, 21234503140 is an apocalyptic number.

1234503140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234503140 is an abundant number, since it is smaller than the sum of its proper divisors (1599082972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1234503140 is a wasteful number, since it uses less digits than its factorization.

1234503140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70956 (or 70954 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1234503140 is about 35135.4968657055. The cubic root of 1234503140 is about 1072.7472246818.

Adding to 1234503140 its reverse (413054321), we get a palindrome (1647557461).

The spelling of 1234503140 in words is "one billion, two hundred thirty-four million, five hundred three thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 67 130 134 260 268 335 670 871 1340 1742 3484 4355 8710 17420 70867 141734 283468 354335 708670 921271 1417340 1842542 3685084 4606355 4748089 9212710 9496178 18425420 18992356 23740445 47480890 61725157 94961780 123450314 246900628 308625785 617251570 1234503140