Search a number
-
+
33020010 = 2325366889
BaseRepresentation
bin111110111110…
…1100001101010
32022010120221100
41331331201222
531423120020
63135422230
7550444152
oct175754152
968116840
1033020010
1117703471
12b084976
136ac178a
144557762
152d73a90
hex1f7d86a

33020010 has 24 divisors (see below), whose sum is σ = 85852260. Its totient is φ = 8805312.

The previous prime is 33019997. The next prime is 33020089. The reversal of 33020010 is 1002033.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31911201 + 1108809 = 5649^2 + 1053^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 33019974 and 33020001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183355 + ... + 183534.

Almost surely, 233020010 is an apocalyptic number.

33020010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33020010 is an abundant number, since it is smaller than the sum of its proper divisors (52832250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33020010 is a wasteful number, since it uses less digits than its factorization.

33020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366902 (or 366899 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 33020010 is about 5746.3040295480. The cubic root of 33020010 is about 320.8182509729.

Adding to 33020010 its reverse (1002033), we get a palindrome (34022043).

The spelling of 33020010 in words is "thirty-three million, twenty thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 366889 733778 1100667 1834445 2201334 3302001 3668890 5503335 6604002 11006670 16510005 33020010