Base | Representation |
---|---|
bin | 101000010000111… |
… | …100110100110001 |
3 | 1202002010120210201 |
4 | 220100330310301 |
5 | 2340414011311 |
6 | 151010555201 |
7 | 22511633200 |
oct | 5020746461 |
9 | 1662116721 |
10 | 675532081 |
11 | 317358284 |
12 | 16a298b01 |
13 | a9c53433 |
14 | 65a09237 |
15 | 3e48c9c1 |
hex | 2843cd31 |
675532081 has 27 divisors (see below), whose sum is σ = 813190329. Its totient is φ = 559534248.
The previous prime is 675532079. The next prime is 675532097. The reversal of 675532081 is 180235576.
The square root of 675532081 is 25991.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 675532081 - 21 = 675532079 is a prime.
It is a super-2 number, since 2×6755320812 = 912687184920381122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 675532081.
It is not an unprimeable number, because it can be changed into a prime (675532381) by changing a digit.
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 26 ways as a sum of consecutive naturals, for example, 8551000 + ... + 8551078.
Almost surely, 2675532081 is an apocalyptic number.
675532081 is the 25991-st square number.
675532081 is the 12996-th centered octagonal number.
It is an amenable number.
675532081 is a deficient number, since it is larger than the sum of its proper divisors (137658248).
675532081 is an frugal number, since it uses more digits than its factorization.
675532081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266 (or 133 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 37.
The cubic root of 675532081 is about 877.4357519322.
The spelling of 675532081 in words is "six hundred seventy-five million, five hundred thirty-two thousand, eighty-one".
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