Base | Representation |
---|---|
bin | 1010001000101… |
… | …11011001010001 |
3 | 12220222222220002 |
4 | 11010113121101 |
5 | 133231433411 |
6 | 12234255345 |
7 | 2051514164 |
oct | 504273121 |
9 | 186888802 |
10 | 85030481 |
11 | 43aa7728 |
12 | 24587555 |
13 | 14801cc3 |
14 | b415adb |
15 | 76e933b |
hex | 5117651 |
85030481 has 8 divisors (see below), whose sum is σ = 90149760. Its totient is φ = 79924288.
The previous prime is 85030457. The next prime is 85030487. The reversal of 85030481 is 18403058.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85030481 - 222 = 80836177 is a prime.
It is a super-2 number, since 2×850304812 = 14460365398182722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85030487) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12260 + ... + 17898.
It is an arithmetic number, because the mean of its divisors is an integer number (11268720).
Almost surely, 285030481 is an apocalyptic number.
It is an amenable number.
85030481 is a deficient number, since it is larger than the sum of its proper divisors (5119279).
85030481 is a wasteful number, since it uses less digits than its factorization.
85030481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6543.
The product of its (nonzero) digits is 3840, while the sum is 29.
The square root of 85030481 is about 9221.1973734434. The cubic root of 85030481 is about 439.7355177055.
The spelling of 85030481 in words is "eighty-five million, thirty thousand, four hundred eighty-one".
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