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33066964 = 22721131493
BaseRepresentation
bin111111000100…
…0111111010100
32022012222100101
41332020333110
531431120324
63140423444
7551031100
oct176107724
968188311
1033066964
1117735777
12b0a7b84
136b09c68
14456a900
152d82944
hex1f88fd4

33066964 has 36 divisors (see below), whose sum is σ = 67956084. Its totient is φ = 14036736.

The previous prime is 33066961. The next prime is 33067007. The reversal of 33066964 is 46966033.

It can be written as a sum of positive squares in 2 ways, for example, as 12744900 + 20322064 = 3570^2 + 4508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33066961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21402 + ... + 22894.

It is an arithmetic number, because the mean of its divisors is an integer number (1887669).

Almost surely, 233066964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33066964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33978042).

33066964 is an abundant number, since it is smaller than the sum of its proper divisors (34889120).

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

33066964 is a wasteful number, since it uses less digits than its factorization.

33066964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 33066964 is about 5750.3881608114. The cubic root of 33066964 is about 320.9702453310.

The spelling of 33066964 in words is "thirty-three million, sixty-six thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 14 28 49 98 113 196 226 452 791 1493 1582 2986 3164 5537 5972 10451 11074 20902 22148 41804 73157 146314 168709 292628 337418 674836 1180963 2361926 4723852 8266741 16533482 33066964