| Base | Representation |
|---|---|
| bin | 100111001100111… |
| … | …0110111100100000 |
| 3 | 10101200011022122020 |
| 4 | 1032121312330200 |
| 5 | 10143220322004 |
| 6 | 334305341440 |
| 7 | 44411504544 |
| oct | 11631667440 |
| 9 | 3350138566 |
| 10 | 1315401504 |
| 11 | 61556768a |
| 12 | 308637880 |
| 13 | 17c69b2b1 |
| 14 | c69ada24 |
| 15 | 7a7338d9 |
| hex | 4e676f20 |
1315401504 has 96 divisors (see below), whose sum is σ = 3580428096. Its totient is φ = 422507520.
The previous prime is 1315401497. The next prime is 1315401509. The reversal of 1315401504 is 4051045131.
It is a happy number.
1315401504 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×13154015042 = 3460562233450924032, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (1315401509) 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, 378334 + ... + 381794.
It is an arithmetic number, because the mean of its divisors is an integer number (37296126).
Almost surely, 21315401504 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 1315401504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790214048).
1315401504 is an abundant number, since it is smaller than the sum of its proper divisors (2265026592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1315401504 is a wasteful number, since it uses less digits than its factorization.
1315401504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3618 (or 3610 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 1315401504 is about 36268.4643181925. The cubic root of 1315401504 is about 1095.6859970344.
Adding to 1315401504 its reverse (4051045131), we get a palindrome (5366446635).
The spelling of 1315401504 in words is "one billion, three hundred fifteen million, four hundred one thousand, five hundred four".
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