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33790146 = 2313433207
BaseRepresentation
bin1000000011100…
…1100011000010
32100120201100220
42000321203002
532122241041
63204123510
7560132355
oct200714302
970521326
1033790146
111808a045
12b396596
137001190
1446b829c
152e76d66
hex20398c2

33790146 has 16 divisors (see below), whose sum is σ = 72778944. Its totient is φ = 10396944.

The previous prime is 33790111. The next prime is 33790147. The reversal of 33790146 is 64109733.

It is a super-2 number, since 2×337901462 = 2283547933402632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33790147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216526 + ... + 216681.

It is an arithmetic number, because the mean of its divisors is an integer number (4548684).

Almost surely, 233790146 is an apocalyptic number.

33790146 is an abundant number, since it is smaller than the sum of its proper divisors (38988798).

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

33790146 is a wasteful number, since it uses less digits than its factorization.

33790146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433225.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 33790146 is about 5812.9292099595. The cubic root of 33790146 is about 323.2932889320.

Adding to 33790146 its reverse (64109733), we get a palindrome (97899879).

The spelling of 33790146 in words is "thirty-three million, seven hundred ninety thousand, one hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 433207 866414 1299621 2599242 5631691 11263382 16895073 33790146