Base | Representation |
---|---|
bin | 10011001101010000100 |
3 | 1011222100101 |
4 | 2121222010 |
5 | 130120010 |
6 | 21253444 |
7 | 5230633 |
oct | 2315204 |
9 | 1158311 |
10 | 629380 |
11 | 39a954 |
12 | 264284 |
13 | 19061b |
14 | 12551a |
15 | c673a |
hex | 99a84 |
629380 has 12 divisors (see below), whose sum is σ = 1321740. Its totient is φ = 251744.
The previous prime is 629371. The next prime is 629381. The reversal of 629380 is 83926.
It can be written as a sum of positive squares in 2 ways, for example, as 262144 + 367236 = 512^2 + 606^2 .
It is a super-2 number, since 2×6293802 = 792238368800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (629381) by changing a digit.
629380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15715 + ... + 15754.
It is an arithmetic number, because the mean of its divisors is an integer number (110145).
2629380 is an apocalyptic number.
It is an amenable number.
629380 is an abundant number, since it is smaller than the sum of its proper divisors (692360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
629380 is a wasteful number, since it uses less digits than its factorization.
629380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31478 (or 31476 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 629380 is about 793.3347338923. The cubic root of 629380 is about 85.6980577744.
The spelling of 629380 in words is "six hundred twenty-nine thousand, three hundred eighty".
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