Base | Representation |
---|---|
bin | 101010101000000… |
… | …000000000000000 |
3 | 1211211122022100001 |
4 | 222220000000000 |
5 | 2431033110312 |
6 | 154543405344 |
7 | 23502331465 |
oct | 5250000000 |
9 | 1754568301 |
10 | 715128832 |
11 | 337742970 |
12 | 17b5b3854 |
13 | b5208572 |
14 | 6ad9566c |
15 | 42bb0057 |
hex | 2aa00000 |
715128832 has 88 divisors (see below), whose sum is σ = 1610612352. Its totient is φ = 314572800.
The previous prime is 715128809. The next prime is 715128833. The reversal of 715128832 is 238821517.
It is a tau number, because it is divible by the number of its divisors (88).
It is a super-2 number, since 2×7151288322 = 1022818492715368448, which contains 22 as substring.
Its product of digits (26880) is a multiple of the sum of its prime factors (84).
It is a nialpdrome in base 4.
It is a zygodrome in base 4.
It is a junction number, because it is equal to n+sod(n) for n = 715128791 and 715128800.
It is not an unprimeable number, because it can be changed into a prime (715128833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23068657 + ... + 23068687.
Almost surely, 2715128832 is an apocalyptic number.
715128832 is a droll number since its even prime factors and its odd prime factors have the same sum.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 715128832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805306176).
715128832 is an abundant number, since it is smaller than the sum of its proper divisors (895483520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
715128832 is an frugal number, since it uses more digits than its factorization.
715128832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84 (or 44 counting only the distinct ones).
The product of its digits is 26880, while the sum is 37.
The square root of 715128832 is about 26741.8928275468. The cubic root of 715128832 is about 894.2551075607.
The spelling of 715128832 in words is "seven hundred fifteen million, one hundred twenty-eight thousand, eight hundred thirty-two".
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