Base | Representation |
---|---|
bin | 110011111110110… |
… | …000101101110001 |
3 | 2020202222210020110 |
4 | 303332300231301 |
5 | 3241223343411 |
6 | 222311531533 |
7 | 30416434563 |
oct | 6376605561 |
9 | 2222883213 |
10 | 872090481 |
11 | 4082aa539 |
12 | 204089ba9 |
13 | 10b8a4092 |
14 | 83b73333 |
15 | 518672a6 |
hex | 33fb0b71 |
872090481 has 32 divisors (see below), whose sum is σ = 1297715200. Its totient is φ = 518581440.
The previous prime is 872090473. The next prime is 872090603. The reversal of 872090481 is 184090278.
It is not a de Polignac number, because 872090481 - 23 = 872090473 is a prime.
It is a super-2 number, since 2×8720904812 = 1521083614101622722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (872090411) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58710 + ... + 72048.
It is an arithmetic number, because the mean of its divisors is an integer number (40553600).
Almost surely, 2872090481 is an apocalyptic number.
It is an amenable number.
872090481 is a deficient number, since it is larger than the sum of its proper divisors (425624719).
872090481 is a wasteful number, since it uses less digits than its factorization.
872090481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13429.
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 872090481 is about 29531.1781173728. The cubic root of 872090481 is about 955.4042790033.
The spelling of 872090481 in words is "eight hundred seventy-two million, ninety thousand, four hundred eighty-one".
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