Base | Representation |
---|---|
bin | 1001000011011010… |
… | …1011010111111100 |
3 | 20021100221121202100 |
4 | 2100312223113330 |
5 | 14434121040130 |
6 | 1041052425100 |
7 | 114136543242 |
oct | 22066532774 |
9 | 6240847670 |
10 | 2430252540 |
11 | 10378a5781 |
12 | 579a78190 |
13 | 2c964b871 |
14 | 190a96792 |
15 | e354ec60 |
hex | 90dab5fc |
2430252540 has 72 divisors (see below), whose sum is σ = 7375809168. Its totient is φ = 647712000.
The previous prime is 2430252529. The next prime is 2430252593. The reversal of 2430252540 is 452520342.
It is a happy number.
It is a super-2 number, since 2×24302525402 = 11812254816352903200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583104 + ... + 587256.
It is an arithmetic number, because the mean of its divisors is an integer number (102441794).
Almost surely, 22430252540 is an apocalyptic number.
2430252540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2430252540 is an abundant number, since it is smaller than the sum of its proper divisors (4945556628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2430252540 is a wasteful number, since it uses less digits than its factorization.
2430252540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7419 (or 7414 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 27.
The square root of 2430252540 is about 49297.5916247437. The cubic root of 2430252540 is about 1344.4679957676.
Adding to 2430252540 its reverse (452520342), we get a palindrome (2882772882).
The spelling of 2430252540 in words is "two billion, four hundred thirty million, two hundred fifty-two thousand, five hundred forty".
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