Base | Representation |
---|---|
bin | 1001000001000001… |
… | …1000110011110001 |
3 | 20020200001122212112 |
4 | 2100100120303301 |
5 | 14424033340100 |
6 | 1040053335105 |
7 | 113655326324 |
oct | 22020306361 |
9 | 6220048775 |
10 | 2420215025 |
11 | 103216a408 |
12 | 576637495 |
13 | 2c7545bc7 |
14 | 18d6027bb |
15 | e271ab35 |
hex | 90418cf1 |
2420215025 has 12 divisors (see below), whose sum is σ = 3030783324. Its totient is φ = 1917000000.
The previous prime is 2420215009. The next prime is 2420215069. The reversal of 2420215025 is 5205120242.
It can be written as a sum of positive squares in 6 ways, for example, as 10975969 + 2409239056 = 3313^2 + 49084^2 .
It is not a de Polignac number, because 2420215025 - 24 = 2420215009 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476726 + ... + 481775.
It is an arithmetic number, because the mean of its divisors is an integer number (252565277).
Almost surely, 22420215025 is an apocalyptic number.
2420215025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2420215025 is a deficient number, since it is larger than the sum of its proper divisors (610568299).
2420215025 is a wasteful number, since it uses less digits than its factorization.
2420215025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 958612 (or 958607 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 23.
The square root of 2420215025 is about 49195.6809587996. The cubic root of 2420215025 is about 1342.6144518061.
Adding to 2420215025 its reverse (5205120242), we get a palindrome (7625335267).
The spelling of 2420215025 in words is "two billion, four hundred twenty million, two hundred fifteen thousand, twenty-five".
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