Base | Representation |
---|---|
bin | 100101100011101… |
… | …001000001000000 |
3 | 1121220122101202020 |
4 | 211203221001000 |
5 | 2242301200112 |
6 | 142305121440 |
7 | 21420522222 |
oct | 4543510100 |
9 | 1556571666 |
10 | 630100032 |
11 | 2a3747531 |
12 | 157029280 |
13 | a0707273 |
14 | 5d980412 |
15 | 3a4b648c |
hex | 258e9040 |
630100032 has 56 divisors (see below), whose sum is σ = 1677838656. Its totient is φ = 208685568.
The previous prime is 630099997. The next prime is 630100033. The reversal of 630100032 is 230001036.
It is a junction number, because it is equal to n+sod(n) for n = 630099984 and 630100020.
It is not an unprimeable number, because it can be changed into a prime (630100033) 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, 19693 + ... + 40595.
Almost surely, 2630100032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 630100032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838919328).
630100032 is an abundant number, since it is smaller than the sum of its proper divisors (1047738624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630100032 is a wasteful number, since it uses less digits than its factorization.
630100032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21075 (or 21065 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 630100032 is about 25101.7934020659. The cubic root of 630100032 is about 857.3072581165.
Adding to 630100032 its reverse (230001036), we get a palindrome (860101068).
The spelling of 630100032 in words is "six hundred thirty million, one hundred thousand, thirty-two".
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