Search a number
-
+
8059921 = 1721672
BaseRepresentation
bin11110101111110000010001
3120011111010121
4132233300101
54030404141
6444430241
7125336212
oct36576021
916144117
108059921
1146055a1
122848381
1318927ac
1410db409
15a931d1
hex7afc11

8059921 has 9 divisors (see below), whose sum is σ = 8613499. Its totient is φ = 7540384.

The previous prime is 8059879. The next prime is 8059937. The reversal of 8059921 is 1299508.

The square root of 8059921 is 2839.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 1784896 = 2505^2 + 1336^2 .

It is not a de Polignac number, because 8059921 - 29 = 8059409 is a prime.

It is a super-3 number, since 3×80599213 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8059981) 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 8 ways as a sum of consecutive naturals, for example, 48180 + ... + 48346.

Almost surely, 28059921 is an apocalyptic number.

8059921 is the 2839-th square number.

8059921 is the 1420-th centered octagonal number.

It is an amenable number.

8059921 is a deficient number, since it is larger than the sum of its proper divisors (553578).

8059921 is an equidigital number, since it uses as much as digits as its factorization.

8059921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The cubic root of 8059921 is about 200.4981001182.

The spelling of 8059921 in words is "eight million, fifty-nine thousand, nine hundred twenty-one".

Divisors: 1 17 167 289 2839 27889 48263 474113 8059921