Search a number
-
+
1234031140 = 225413314929
BaseRepresentation
bin100100110001101…
…1101001000100100
310012000001021111001
41021203131020210
510011402444030
6322241323044
742403043266
oct11143351044
93160037431
101234031140
1158363a951
122a5336484
1316887b254
14b9c6bb36
157350dcca
hex498dd224

1234031140 has 24 divisors (see below), whose sum is σ = 2592266040. Its totient is φ = 493459968.

The previous prime is 1234031131. The next prime is 1234031153. The reversal of 1234031140 is 411304321.

It can be written as a sum of positive squares in 4 ways, for example, as 452157696 + 781873444 = 21264^2 + 27962^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 75196 + ... + 90124.

It is an arithmetic number, because the mean of its divisors is an integer number (108011085).

Almost surely, 21234031140 is an apocalyptic number.

1234031140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234031140 is an abundant number, since it is smaller than the sum of its proper divisors (1358234900).

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

1234031140 is a wasteful number, since it uses less digits than its factorization.

1234031140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19071 (or 19069 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1234031140 is about 35128.7793696280. The cubic root of 1234031140 is about 1072.6104891757.

Adding to 1234031140 its reverse (411304321), we get a palindrome (1645335461).

The spelling of 1234031140 in words is "one billion, two hundred thirty-four million, thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 4133 8266 14929 16532 20665 29858 41330 59716 74645 82660 149290 298580 61701557 123403114 246806228 308507785 617015570 1234031140