Base | Representation |
---|---|
bin | 100101101000110… |
… | …111000001100010 |
3 | 1122000012220102112 |
4 | 211220313001202 |
5 | 2243123440010 |
6 | 142354315322 |
7 | 21435250646 |
oct | 4550670142 |
9 | 1560186375 |
10 | 631468130 |
11 | 2a44a1397 |
12 | 157588b42 |
13 | a0a95ba7 |
14 | 5dc18c26 |
15 | 3a686a05 |
hex | 25a37062 |
631468130 has 32 divisors (see below), whose sum is σ = 1153253376. Its totient is φ = 248923584.
The previous prime is 631468087. The next prime is 631468133. The reversal of 631468130 is 31864136.
It is not an unprimeable number, because it can be changed into a prime (631468133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197807 + ... + 200973.
It is an arithmetic number, because the mean of its divisors is an integer number (36039168).
Almost surely, 2631468130 is an apocalyptic number.
631468130 is a deficient number, since it is larger than the sum of its proper divisors (521785246).
631468130 is a wasteful number, since it uses less digits than its factorization.
631468130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3458.
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 631468130 is about 25129.0296271066. The cubic root of 631468130 is about 857.9272826841.
The spelling of 631468130 in words is "six hundred thirty-one million, four hundred sixty-eight thousand, one hundred thirty".
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