Base | Representation |
---|---|
bin | 100101101010101… |
… | …111101101000000 |
3 | 1122001011000111000 |
4 | 211222233231000 |
5 | 2243240244212 |
6 | 142413052000 |
7 | 21442410033 |
oct | 4552575500 |
9 | 1561130430 |
10 | 631962432 |
11 | 2a47a9802 |
12 | 157787000 |
13 | a0c09b8a |
14 | 5dd0701a |
15 | 3a7331dc |
hex | 25aafb40 |
631962432 has 112 divisors (see below), whose sum is σ = 1922068800. Its totient is φ = 203374080.
The previous prime is 631962431. The next prime is 631962473. The reversal of 631962432 is 234269136.
631962432 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 (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (631962431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43807 + ... + 56417.
Almost surely, 2631962432 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 631962432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (961034400).
631962432 is an abundant number, since it is smaller than the sum of its proper divisors (1290106368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631962432 is a wasteful number, since it uses less digits than its factorization.
631962432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12661 (or 12645 counting only the distinct ones).
The product of its digits is 46656, while the sum is 36.
The square root of 631962432 is about 25138.8629814477. The cubic root of 631962432 is about 858.1510810289.
The spelling of 631962432 in words is "six hundred thirty-one million, nine hundred sixty-two thousand, four hundred thirty-two".
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