Base | Representation |
---|---|
bin | 100101100011010… |
… | …011010101001110 |
3 | 1121220110212220200 |
4 | 211203103111032 |
5 | 2242240324324 |
6 | 142303154330 |
7 | 21420002250 |
oct | 4543232516 |
9 | 1556425820 |
10 | 630011214 |
11 | 2a3696828 |
12 | 156ba59a6 |
13 | a06a5a01 |
14 | 5d959cd0 |
15 | 3a499ec9 |
hex | 258d354e |
630011214 has 48 divisors (see below), whose sum is σ = 1571457888. Its totient is φ = 178684416.
The previous prime is 630011203. The next prime is 630011219. The reversal of 630011214 is 412110036.
It is a happy number.
630011214 is a `hidden beast` number, since 630 + 0 + 11 + 21 + 4 = 666.
630011214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630011219) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 987 + ... + 35510.
It is an arithmetic number, because the mean of its divisors is an integer number (32738706).
Almost surely, 2630011214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 630011214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785728944).
630011214 is an abundant number, since it is smaller than the sum of its proper divisors (941446674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630011214 is a wasteful number, since it uses less digits than its factorization.
630011214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36649 (or 36646 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 630011214 is about 25100.0241832553. The cubic root of 630011214 is about 857.2669746217.
The spelling of 630011214 in words is "six hundred thirty million, eleven thousand, two hundred fourteen".
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