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33680074 = 231543227
BaseRepresentation
bin1000000001111…
…0101011001010
32100101010101011
42000132223022
532110230244
63201514134
7556163431
oct200365312
970333334
1033680074
111801437a
12b34294a
136c9304c
14468a118
152e54434
hex201eaca

33680074 has 8 divisors (see below), whose sum is σ = 52149888. Its totient is φ = 16296780.

The previous prime is 33680047. The next prime is 33680081. The reversal of 33680074 is 47008633.

33680074 = T4737 + T4738 + T4739.

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

It is a super-2 number, since 2×336800742 = 2268694769290952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271552 + ... + 271675.

It is an arithmetic number, because the mean of its divisors is an integer number (6518736).

Almost surely, 233680074 is an apocalyptic number.

33680074 is the 4739-th centered triangular number.

33680074 is a deficient number, since it is larger than the sum of its proper divisors (18469814).

33680074 is a wasteful number, since it uses less digits than its factorization.

33680074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543260.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 33680074 is about 5803.4536269363. The cubic root of 33680074 is about 322.9418625215.

The spelling of 33680074 in words is "thirty-three million, six hundred eighty thousand, seventy-four".

Divisors: 1 2 31 62 543227 1086454 16840037 33680074