Base | Representation |
---|---|
bin | 100111001011010… |
… | …0010100001011100 |
3 | 10101121112010002220 |
4 | 1032112202201130 |
5 | 10143010001140 |
6 | 334234545340 |
7 | 44401222056 |
oct | 11626424134 |
9 | 3347463086 |
10 | 1314531420 |
11 | 615022a04 |
12 | 308298250 |
13 | 17c455257 |
14 | c68248d6 |
15 | 7a610bd0 |
hex | 4e5a285c |
1314531420 has 48 divisors (see below), whose sum is σ = 3840721920. Its totient is φ = 335300416.
The previous prime is 1314531353. The next prime is 1314531431. The reversal of 1314531420 is 241354131.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474900 + ... + 477659.
It is an arithmetic number, because the mean of its divisors is an integer number (80015040).
Almost surely, 21314531420 is an apocalyptic number.
1314531420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1314531420 is an abundant number, since it is smaller than the sum of its proper divisors (2526190500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1314531420 is a wasteful number, since it uses less digits than its factorization.
1314531420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 952594 (or 952592 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 1314531420 is about 36256.4672851617. The cubic root of 1314531420 is about 1095.4443600064. Note that the first 3 decimals are identical.
Adding to 1314531420 its reverse (241354131), we get a palindrome (1555885551).
The spelling of 1314531420 in words is "one billion, three hundred fourteen million, five hundred thirty-one thousand, four hundred twenty".
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