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33205130 = 257474359
BaseRepresentation
bin111111010101…
…0101110001010
32022110222212122
41332222232022
532000031010
63143411242
7552144650
oct176525612
968428778
1033205130
111781a562
12b153b22
136b57b0a
1445a4dd0
152dad855
hex1faab8a

33205130 has 16 divisors (see below), whose sum is σ = 68307840. Its totient is φ = 11384592.

The previous prime is 33205129. The next prime is 33205153. The reversal of 33205130 is 3150233.

It is a super-2 number, since 2×332051302 = 2205161316633800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33205099 and 33205108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237110 + ... + 237249.

It is an arithmetic number, because the mean of its divisors is an integer number (4269240).

Almost surely, 233205130 is an apocalyptic number.

33205130 is an abundant number, since it is smaller than the sum of its proper divisors (35102710).

33205130 is a wasteful number, since it uses less digits than its factorization.

33205130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474373.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 33205130 is about 5762.3892614088. The cubic root of 33205130 is about 321.4166682482.

Adding to 33205130 its reverse (3150233), we get a palindrome (36355363).

The spelling of 33205130 in words is "thirty-three million, two hundred five thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 474359 948718 2371795 3320513 4743590 6641026 16602565 33205130