Base | Representation |
---|---|
bin | 100100111101111… |
… | …0010111101111110 |
3 | 10012110001110102022 |
4 | 1021323302331332 |
5 | 10020021141110 |
6 | 323030200142 |
7 | 42511220414 |
oct | 11173627576 |
9 | 3173043368 |
10 | 1240412030 |
11 | 5871a8a10 |
12 | 2a74b3052 |
13 | 169ca3720 |
14 | baa4d2b4 |
15 | 73d6e755 |
hex | 49ef2f7e |
1240412030 has 64 divisors (see below), whose sum is σ = 2636153856. Its totient is φ = 414288000.
The previous prime is 1240412029. The next prime is 1240412051. The reversal of 1240412030 is 302140421.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299675 + ... + 303785.
It is an arithmetic number, because the mean of its divisors is an integer number (41189904).
Almost surely, 21240412030 is an apocalyptic number.
1240412030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1240412030 is an abundant number, since it is smaller than the sum of its proper divisors (1395741826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1240412030 is a wasteful number, since it uses less digits than its factorization.
1240412030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4353.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 1240412030 is about 35219.4836702641. The cubic root of 1240412030 is about 1074.4560521941.
Adding to 1240412030 its reverse (302140421), we get a palindrome (1542552451).
The spelling of 1240412030 in words is "one billion, two hundred forty million, four hundred twelve thousand, thirty".
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