Base | Representation |
---|---|
bin | 11001000011100… |
… | …101101101111000 |
3 | 1002022000002001011 |
4 | 121003211231320 |
5 | 1330103340240 |
6 | 105414003304 |
7 | 13263045235 |
oct | 3103455570 |
9 | 1068002034 |
10 | 420371320 |
11 | 1a631a216 |
12 | b8946534 |
13 | 69124a35 |
14 | 3db8878c |
15 | 26d896ea |
hex | 190e5b78 |
420371320 has 16 divisors (see below), whose sum is σ = 945835560. Its totient is φ = 168148512.
The previous prime is 420371317. The next prime is 420371323. The reversal of 420371320 is 23173024.
It is an interprime number because it is at equal distance from previous prime (420371317) and next prime (420371323).
It is a junction number, because it is equal to n+sod(n) for n = 420371291 and 420371300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420371323) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5254602 + ... + 5254681.
Almost surely, 2420371320 is an apocalyptic number.
420371320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
420371320 is an abundant number, since it is smaller than the sum of its proper divisors (525464240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420371320 is a wasteful number, since it uses less digits than its factorization.
420371320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10509294 (or 10509290 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 420371320 is about 20502.9588108643. The cubic root of 420371320 is about 749.1078695956.
The spelling of 420371320 in words is "four hundred twenty million, three hundred seventy-one thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.171 sec. • engine limits •