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33690433 = 712737897
BaseRepresentation
bin1000000010000…
…1001101000001
32100101122120211
42000201031001
532111043213
63202034121
7556235560
oct200411501
970348524
1033690433
1118021137
12b348941
136c9798a
14468dbd7
152e5753d
hex2021341

33690433 has 8 divisors (see below), whose sum is σ = 38807552. Its totient is φ = 28649376.

The previous prime is 33690427. The next prime is 33690451. The reversal of 33690433 is 33409633.

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

It is a de Polignac number, because none of the positive numbers 2k-33690433 is a prime.

It is a super-2 number, since 2×336904332 = 2270090551454978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33690395 and 33690404.

It is not an unprimeable number, because it can be changed into a prime (33693433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18060 + ... + 19837.

It is an arithmetic number, because the mean of its divisors is an integer number (4850944).

Almost surely, 233690433 is an apocalyptic number.

It is an amenable number.

33690433 is a deficient number, since it is larger than the sum of its proper divisors (5117119).

33690433 is a wasteful number, since it uses less digits than its factorization.

33690433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38031.

The product of its (nonzero) digits is 17496, while the sum is 31.

The square root of 33690433 is about 5804.3460441293. The cubic root of 33690433 is about 322.9749682666.

The spelling of 33690433 in words is "thirty-three million, six hundred ninety thousand, four hundred thirty-three".

Divisors: 1 7 127 889 37897 265279 4812919 33690433