Base | Representation |
---|---|
bin | 1001000001000101… |
… | …0010001101001000 |
3 | 20020200111121100202 |
4 | 2100101102031020 |
5 | 14424113400440 |
6 | 1040102351332 |
7 | 113660325614 |
oct | 22021221510 |
9 | 6220447322 |
10 | 2420450120 |
11 | 1032310000 |
12 | 57672b548 |
13 | 2c75c8c0a |
14 | 18d664344 |
15 | e2765615 |
hex | 90452348 |
2420450120 has 80 divisors (see below), whose sum is σ = 5992026300. Its totient is φ = 879950720.
The previous prime is 2420450119. The next prime is 2420450143. The reversal of 2420450120 is 210540242.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 2413363876 + 7086244 = 49126^2 + 2662^2 .
It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 2420450092 and 2420450101.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 583574 + ... + 587706.
Almost surely, 22420450120 is an apocalyptic number.
2420450120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2420450120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996013150).
2420450120 is an abundant number, since it is smaller than the sum of its proper divisors (3571576180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2420450120 is an equidigital number, since it uses as much as digits as its factorization.
2420450120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4188 (or 4151 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 2420450120 is about 49198.0702873598. The cubic root of 2420450120 is about 1342.6579233877.
Adding to 2420450120 its reverse (210540242), we get a palindrome (2630990362).
The spelling of 2420450120 in words is "two billion, four hundred twenty million, four hundred fifty thousand, one hundred twenty".
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