Base | Representation |
---|---|
bin | 100101011111010… |
… | …000010010101110 |
3 | 1121211110222110111 |
4 | 211133100102232 |
5 | 2242002401230 |
6 | 142224330234 |
7 | 21404663011 |
oct | 4537202256 |
9 | 1554428414 |
10 | 628950190 |
11 | 2a3031650 |
12 | 15677397a |
13 | a03c3a9b |
14 | 5d761378 |
15 | 3a33a92a |
hex | 257d04ae |
628950190 has 64 divisors (see below), whose sum is σ = 1313039808. Its totient is φ = 214374400.
The previous prime is 628950169. The next prime is 628950191. The reversal of 628950190 is 91059826.
628950190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×6289501902 = 791156683002072200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (628950191) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592260 + ... + 593320.
It is an arithmetic number, because the mean of its divisors is an integer number (20516247).
Almost surely, 2628950190 is an apocalyptic number.
628950190 is an abundant number, since it is smaller than the sum of its proper divisors (684089618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
628950190 is a wasteful number, since it uses less digits than its factorization.
628950190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1413.
The product of its (nonzero) digits is 38880, while the sum is 40.
The square root of 628950190 is about 25078.8793609284. The cubic root of 628950190 is about 856.7854530701.
The spelling of 628950190 in words is "six hundred twenty-eight million, nine hundred fifty thousand, one hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •