Base | Representation |
---|---|
bin | 100101100111111… |
… | …101000011110000 |
3 | 1121222202211201222 |
4 | 211213331003300 |
5 | 2243043340304 |
6 | 142345244212 |
7 | 21433241516 |
oct | 4547750360 |
9 | 1558684658 |
10 | 631230704 |
11 | 2a4349a75 |
12 | 157493668 |
13 | a0a11ac0 |
14 | 5db964b6 |
15 | 3a63b4be |
hex | 259fd0f0 |
631230704 has 80 divisors (see below), whose sum is σ = 1371474720. Its totient is φ = 279444480.
The previous prime is 631230671. The next prime is 631230707. The reversal of 631230704 is 407032136.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (631230707) 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, 1369034 + ... + 1369494.
It is an arithmetic number, because the mean of its divisors is an integer number (17143434).
Almost surely, 2631230704 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 631230704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685737360).
631230704 is an abundant number, since it is smaller than the sum of its proper divisors (740244016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
631230704 is a wasteful number, since it uses less digits than its factorization.
631230704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 738 (or 732 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 26.
The square root of 631230704 is about 25124.3050451152. The cubic root of 631230704 is about 857.8197450441.
The spelling of 631230704 in words is "six hundred thirty-one million, two hundred thirty thousand, seven hundred four".
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