| Base | Representation |
|---|---|
| bin | 101010101000000… |
| … | …011111101010000 |
| 3 | 1211211200010120100 |
| 4 | 222220003331100 |
| 5 | 2431034120130 |
| 6 | 154544012400 |
| 7 | 23502426651 |
| oct | 5250037520 |
| 9 | 1754603510 |
| 10 | 715145040 |
| 11 | 337754065 |
| 12 | 17b601100 |
| 13 | b5212a5c |
| 14 | 6ad9b528 |
| 15 | 42bb4c60 |
| hex | 2aa03f50 |
715145040 has 120 divisors (see below), whose sum is σ = 2457655200. Its totient is φ = 186262272.
The previous prime is 715145033. The next prime is 715145063. The reversal of 715145040 is 40541517.
It is a happy number.
715145040 is a `hidden beast` number, since 7 + 151 + 4 + 504 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (120).
It is a super-2 number, since 2×7151450402 = 1022864856473203200, which contains 22 as substring.
It is a zygodrome in base 4.
It is a junction number, because it is equal to n+sod(n) for n = 715144995 and 715145013.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 19411 + ... + 42509.
It is an arithmetic number, because the mean of its divisors is an integer number (20480460).
Almost surely, 2715145040 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 715145040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228827600).
715145040 is an abundant number, since it is smaller than the sum of its proper divisors (1742510160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
715145040 is a wasteful number, since it uses less digits than its factorization.
715145040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23161 (or 23152 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 715145040 is about 26742.1958709452. The cubic root of 715145040 is about 894.2618634424.
Adding to 715145040 its reverse (40541517), we get a palindrome (755686557).
The spelling of 715145040 in words is "seven hundred fifteen million, one hundred forty-five thousand, forty".
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