Base | Representation |
---|---|
bin | 100100111101010… |
… | …1010100000110100 |
3 | 10012102111101022112 |
4 | 1021322222200310 |
5 | 10014432142002 |
6 | 323015550152 |
7 | 42505543235 |
oct | 11172524064 |
9 | 3172441275 |
10 | 1240115252 |
11 | 587015a42 |
12 | 2a738b358 |
13 | 169bcb60c |
14 | ba9b308c |
15 | 73d11852 |
hex | 49eaa834 |
1240115252 has 48 divisors (see below), whose sum is σ = 2339705088. Its totient is φ = 573027840.
The previous prime is 1240115213. The next prime is 1240115267. The reversal of 1240115252 is 2525110421.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916393 + ... + 1917039.
It is an arithmetic number, because the mean of its divisors is an integer number (48743856).
Almost surely, 21240115252 is an apocalyptic number.
It is an amenable number.
1240115252 is a deficient number, since it is larger than the sum of its proper divisors (1099589836).
1240115252 is a wasteful number, since it uses less digits than its factorization.
1240115252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1136 (or 1134 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 1240115252 is about 35215.2701537273. The cubic root of 1240115252 is about 1074.3703547686.
Adding to 1240115252 its reverse (2525110421), we get a palindrome (3765225673).
The spelling of 1240115252 in words is "one billion, two hundred forty million, one hundred fifteen thousand, two hundred fifty-two".
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