Base | Representation |
---|---|
bin | 11000110010111… |
… | …11010011110000 |
3 | 112111101220221000 |
4 | 30121133103300 |
5 | 411222232212 |
6 | 32350202000 |
7 | 5104020402 |
oct | 1431372360 |
9 | 474356830 |
10 | 208008432 |
11 | a74628a5 |
12 | 597b3300 |
13 | 3412c518 |
14 | 1d8a8b72 |
15 | 133dc1dc |
hex | c65f4f0 |
208008432 has 40 divisors (see below), whose sum is σ = 597062480. Its totient is φ = 69336000.
The previous prime is 208008391. The next prime is 208008433. The reversal of 208008432 is 234800802.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 208008396 and 208008405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (208008433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240319 + ... + 241182.
It is an arithmetic number, because the mean of its divisors is an integer number (14926562).
Almost surely, 2208008432 is an apocalyptic number.
It is an amenable number.
208008432 is an abundant number, since it is smaller than the sum of its proper divisors (389054048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
208008432 is a wasteful number, since it uses less digits than its factorization.
208008432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 481518 (or 481506 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 208008432 is about 14422.4974258968. The cubic root of 208008432 is about 592.5072199088.
The spelling of 208008432 in words is "two hundred eight million, eight thousand, four hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •