| Base | Representation |
|---|---|
| bin | 11001000011010… |
| … | …100110100101100 |
| 3 | 1002021212120010100 |
| 4 | 121003110310230 |
| 5 | 1330044131444 |
| 6 | 105412311100 |
| 7 | 13262336424 |
| oct | 3103246454 |
| 9 | 1067776110 |
| 10 | 420302124 |
| 11 | 1a6282230 |
| 12 | b8912490 |
| 13 | 690cc3a8 |
| 14 | 3db6b484 |
| 15 | 26d73e69 |
| hex | 190d4d2c |
420302124 has 72 divisors (see below), whose sum is σ = 1186016832. Its totient is φ = 124397280.
The previous prime is 420302119. The next prime is 420302131. The reversal of 420302124 is 421203024.
420302124 is a `hidden beast` number, since 420 + 30 + 212 + 4 = 666.
It is a super-2 number, since 2×4203021242 = 353307750877822752, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 420302097 and 420302106.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4687 + ... + 29369.
It is an arithmetic number, because the mean of its divisors is an integer number (16472456).
Almost surely, 2420302124 is an apocalyptic number.
420302124 is a gapful number since it is divisible by the number (44) 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 420302124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593008416).
420302124 is an abundant number, since it is smaller than the sum of its proper divisors (765714708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420302124 is a wasteful number, since it uses less digits than its factorization.
420302124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24747 (or 24742 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 420302124 is about 20501.2712776550. The cubic root of 420302124 is about 749.0667645772.
Adding to 420302124 its reverse (421203024), we get a palindrome (841505148).
The spelling of 420302124 in words is "four hundred twenty million, three hundred two thousand, one hundred twenty-four".
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