Base | Representation |
---|---|
bin | 11001000111001… |
… | …010100001000000 |
3 | 1002100202200120210 |
4 | 121013022201000 |
5 | 1330323332410 |
6 | 105450034120 |
7 | 13304030415 |
oct | 3107124100 |
9 | 1070680523 |
10 | 421308480 |
11 | 1a68aa32a |
12 | b9118940 |
13 | 69392478 |
14 | 3dd5010c |
15 | 26ec2220 |
hex | 191ca840 |
421308480 has 112 divisors (see below), whose sum is σ = 1395886464. Its totient is φ = 107458560.
The previous prime is 421308479. The next prime is 421308499. The reversal of 421308480 is 84803124.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12540 + ... + 31620.
It is an arithmetic number, because the mean of its divisors is an integer number (12463272).
Almost surely, 2421308480 is an apocalyptic number.
421308480 is a gapful number since it is divisible by the number (40) 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 421308480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697943232).
421308480 is an abundant number, since it is smaller than the sum of its proper divisors (974577984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
421308480 is a wasteful number, since it uses less digits than its factorization.
421308480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19124 (or 19114 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 30.
The square root of 421308480 is about 20525.8003498037. The cubic root of 421308480 is about 749.6641340590.
The spelling of 421308480 in words is "four hundred twenty-one million, three hundred eight thousand, four hundred eighty".
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