Base | Representation |
---|---|
bin | 1001000001000110… |
… | …0001100111011000 |
3 | 20020200121210221112 |
4 | 2100101201213120 |
5 | 14424122410430 |
6 | 1040103555452 |
7 | 113661010625 |
oct | 22021414730 |
9 | 6220553845 |
10 | 2420513240 |
11 | 1032353472 |
12 | 57675bb88 |
13 | 2c761b872 |
14 | 18d67d34c |
15 | e2779195 |
hex | 904619d8 |
2420513240 has 32 divisors (see below), whose sum is σ = 5458829760. Its totient is φ = 965952000.
The previous prime is 2420513237. The next prime is 2420513243. The reversal of 2420513240 is 423150242.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2420513237) and next prime (2420513243).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2420513243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52961 + ... + 87440.
It is an arithmetic number, because the mean of its divisors is an integer number (170588430).
Almost surely, 22420513240 is an apocalyptic number.
2420513240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2420513240 is an abundant number, since it is smaller than the sum of its proper divisors (3038316520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2420513240 is a wasteful number, since it uses less digits than its factorization.
2420513240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140843 (or 140839 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 2420513240 is about 49198.7117717527. The cubic root of 2420513240 is about 1342.6695944719.
Adding to 2420513240 its reverse (423150242), we get a palindrome (2843663482).
The spelling of 2420513240 in words is "two billion, four hundred twenty million, five hundred thirteen thousand, two hundred forty".
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