Search a number
-
+
534020881 = 17313100361
BaseRepresentation
bin11111110101001…
…000001100010001
31101012212001221011
4133311020030101
52043202132011
6124553530521
716143050122
oct3765101421
91335761834
10534020881
11254493879
1212aa13a41
13868372b4
1450cd0049
1531d38621
hex1fd48311

534020881 has 8 divisors (see below), whose sum is σ = 567246024. Its totient is φ = 500997120.

The previous prime is 534020869. The next prime is 534020933. The reversal of 534020881 is 188020435.

It can be written as a sum of positive squares in 4 ways, for example, as 410881 + 533610000 = 641^2 + 23100^2 .

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 534020881 - 29 = 534020369 is a prime.

It is a super-2 number, since 2×5340208812 = 570356602688032322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534020801) 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, 44860 + ... + 55501.

It is an arithmetic number, because the mean of its divisors is an integer number (70905753).

Almost surely, 2534020881 is an apocalyptic number.

It is an amenable number.

534020881 is a deficient number, since it is larger than the sum of its proper divisors (33225143).

534020881 is a wasteful number, since it uses less digits than its factorization.

534020881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100691.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 534020881 is about 23108.8918167878. The cubic root of 534020881 is about 811.3086000833.

The spelling of 534020881 in words is "five hundred thirty-four million, twenty thousand, eight hundred eighty-one".

Divisors: 1 17 313 5321 100361 1706137 31412993 534020881