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33980018 = 219894211
BaseRepresentation
bin1000000110011…
…1111001110010
32100221100211012
42001213321302
532144330033
63212150522
7561553052
oct201477162
970840735
1033980018
11181a9766
12b468442
137069727
144727562
152eb3248
hex2067e72

33980018 has 8 divisors (see below), whose sum is σ = 53652720. Its totient is φ = 16095780.

The previous prime is 33979997. The next prime is 33980053. The reversal of 33980018 is 81008933.

33980018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 447068 + ... + 447143.

It is an arithmetic number, because the mean of its divisors is an integer number (6706590).

Almost surely, 233980018 is an apocalyptic number.

33980018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33980018 is a deficient number, since it is larger than the sum of its proper divisors (19672702).

33980018 is a wasteful number, since it uses less digits than its factorization.

33980018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894232.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 33980018 is about 5829.2382006571. The cubic root of 33980018 is about 323.8977030604.

The spelling of 33980018 in words is "thirty-three million, nine hundred eighty thousand, eighteen".

Divisors: 1 2 19 38 894211 1788422 16990009 33980018