Base | Representation |
---|---|
bin | 101001001001011… |
… | …110101010011100 |
3 | 1210010000110012020 |
4 | 221021132222130 |
5 | 2403212210443 |
6 | 152300340140 |
7 | 23051612253 |
oct | 5111365234 |
9 | 1703013166 |
10 | 690350748 |
11 | 32475980a |
12 | 173244650 |
13 | b0041389 |
14 | 6798579a |
15 | 40918583 |
hex | 2925ea9c |
690350748 has 24 divisors (see below), whose sum is σ = 1614656400. Its totient is φ = 229568640.
The previous prime is 690350747. The next prime is 690350761. The reversal of 690350748 is 847053096.
It is a happy number.
690350748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (690350741) 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, 63273 + ... + 73376.
It is an arithmetic number, because the mean of its divisors is an integer number (67277350).
Almost surely, 2690350748 is an apocalyptic number.
It is an amenable number.
690350748 is an abundant number, since it is smaller than the sum of its proper divisors (924305652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
690350748 is a wasteful number, since it uses less digits than its factorization.
690350748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137077 (or 137075 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 42.
The square root of 690350748 is about 26274.5265989703. The cubic root of 690350748 is about 883.8052965539.
The spelling of 690350748 in words is "six hundred ninety million, three hundred fifty thousand, seven hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •