Base | Representation |
---|---|
bin | 101000100010100… |
… | …011100111001000 |
3 | 1202101211001211110 |
4 | 220202203213020 |
5 | 2343104204100 |
6 | 151253530320 |
7 | 22566105012 |
oct | 5042434710 |
9 | 1671731743 |
10 | 680147400 |
11 | 319a1a899 |
12 | 16b9439a0 |
13 | aabab0aa |
14 | 6648b1b2 |
15 | 3eaa0250 |
hex | 288a39c8 |
680147400 has 48 divisors (see below), whose sum is σ = 2108458800. Its totient is φ = 181372480.
The previous prime is 680147333. The next prime is 680147417. The reversal of 680147400 is 4741086.
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 11 ways as a sum of consecutive naturals, for example, 566190 + ... + 567389.
It is an arithmetic number, because the mean of its divisors is an integer number (43926225).
Almost surely, 2680147400 is an apocalyptic number.
680147400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
680147400 is an abundant number, since it is smaller than the sum of its proper divisors (1428311400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680147400 is a wasteful number, since it uses less digits than its factorization.
680147400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1133598 (or 1133589 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 680147400 is about 26079.6357336524. The cubic root of 680147400 is about 879.4294683406.
Adding to 680147400 its reverse (4741086), we get a palindrome (684888486).
The spelling of 680147400 in words is "six hundred eighty million, one hundred forty-seven thousand, four hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •