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33493090 = 253349309
BaseRepresentation
bin111111111000…
…1000001100010
32100000121212211
41333301001202
532033234330
63153512334
7554454331
oct177610142
970017784
1033493090
11179a6944
12b2726aa
136c28bc7
14463bd18
152e18d2a
hex1ff1062

33493090 has 8 divisors (see below), whose sum is σ = 60287580. Its totient is φ = 13397232.

The previous prime is 33493081. The next prime is 33493121. The reversal of 33493090 is 9039433.

It can be written as a sum of positive squares in 2 ways, for example, as 33489369 + 3721 = 5787^2 + 61^2 .

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

It is a super-2 number, since 2×334930902 = 2243574155496200, which contains 22 as substring.

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, 1674645 + ... + 1674664.

Almost surely, 233493090 is an apocalyptic number.

33493090 is a deficient number, since it is larger than the sum of its proper divisors (26794490).

33493090 is a wasteful number, since it uses less digits than its factorization.

33493090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349316.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 33493090 is about 5787.3214875277. The cubic root of 33493090 is about 322.3431202210.

The spelling of 33493090 in words is "thirty-three million, four hundred ninety-three thousand, ninety".

Divisors: 1 2 5 10 3349309 6698618 16746545 33493090