Base | Representation |
---|---|
bin | 10111010001100… |
… | …010101011110000 |
3 | 1000012202011021210 |
4 | 113101202223300 |
5 | 1244430140410 |
6 | 102425120120 |
7 | 12450656364 |
oct | 2721425360 |
9 | 1005664253 |
10 | 390474480 |
11 | 19045a290 |
12 | aa929040 |
13 | 62b879b6 |
14 | 39c052a4 |
15 | 24431220 |
hex | 17462af0 |
390474480 has 160 divisors (see below), whose sum is σ = 1327415040. Its totient is φ = 94167040.
The previous prime is 390474467. The next prime is 390474499. The reversal of 390474480 is 84474093.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931711 + ... + 932129.
It is an arithmetic number, because the mean of its divisors is an integer number (8296344).
Almost surely, 2390474480 is an apocalyptic number.
390474480 is a gapful number since it is divisible by the number (30) 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 390474480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663707520).
390474480 is an abundant number, since it is smaller than the sum of its proper divisors (936940560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
390474480 is a wasteful number, since it uses less digits than its factorization.
390474480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 799 (or 793 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 39.
The square root of 390474480 is about 19760.4271208899. The cubic root of 390474480 is about 730.9105295520.
The spelling of 390474480 in words is "three hundred ninety million, four hundred seventy-four thousand, four hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •