| Base | Representation |
|---|---|
| bin | 10111111100110… |
| … | …111001111100000 |
| 3 | 1001000010010100012 |
| 4 | 113330313033200 |
| 5 | 1310332042010 |
| 6 | 103512344052 |
| 7 | 12646335413 |
| oct | 2774671740 |
| 9 | 1030103305 |
| 10 | 401830880 |
| 11 | 196906540 |
| 12 | b26a5028 |
| 13 | 65332a69 |
| 14 | 3b51db7a |
| 15 | 25426005 |
| hex | 17f373e0 |
401830880 has 96 divisors (see below), whose sum is σ = 1041193440. Its totient is φ = 145336320.
The previous prime is 401830879. The next prime is 401830883. The reversal of 401830880 is 88038104.
401830880 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×4018308802 = 322936112243148800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (401830883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402542 + ... + 403538.
It is an arithmetic number, because the mean of its divisors is an integer number (10845765).
Almost surely, 2401830880 is an apocalyptic number.
401830880 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 401830880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520596720).
401830880 is an abundant number, since it is smaller than the sum of its proper divisors (639362560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401830880 is a wasteful number, since it uses less digits than its factorization.
401830880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1252 (or 1244 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 32.
The square root of 401830880 is about 20045.7197426283. The cubic root of 401830880 is about 737.9287588245.
Adding to 401830880 its reverse (88038104), we get a palindrome (489868984).
The spelling of 401830880 in words is "four hundred one million, eight hundred thirty thousand, eight hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •