Base | Representation |
---|---|
bin | 101010100101110101110 |
3 | 2121220110000 |
4 | 11110232232 |
5 | 324130010 |
6 | 45525130 |
7 | 14601615 |
oct | 5245656 |
9 | 2556400 |
10 | 1395630 |
11 | 873615 |
12 | 5737a6 |
13 | 39b322 |
14 | 28487c |
15 | 1c87c0 |
hex | 154bae |
1395630 has 40 divisors (see below), whose sum is σ = 3754872. Its totient is φ = 371952.
The previous prime is 1395629. The next prime is 1395643. The reversal of 1395630 is 365931.
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 = 1395594 and 1395603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52 + ... + 1671.
21395630 is an apocalyptic number.
1395630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1395630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877436).
1395630 is an abundant number, since it is smaller than the sum of its proper divisors (2359242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1395630 is a wasteful number, since it uses less digits than its factorization.
1395630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1742 (or 1733 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 27.
The square root of 1395630 is about 1181.3678512639. The cubic root of 1395630 is about 111.7523759686.
It can be divided in two parts, 1395 and 630, that added together give a square (2025 = 452).
The spelling of 1395630 in words is "one million, three hundred ninety-five thousand, six hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •