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33790768 = 2411375189
BaseRepresentation
bin1000000011100…
…1101100110000
32100120202012221
42000321230300
532122301033
63204130424
7560134234
oct200715460
970522187
1033790768
111808a560
12b396a14
13700154b
1446b85c4
152e7712d
hex2039b30

33790768 has 40 divisors (see below), whose sum is σ = 73365840. Its totient is φ = 14941440.

The previous prime is 33790727. The next prime is 33790769. The reversal of 33790768 is 86709733.

It is a super-2 number, since 2×337907682 = 2283632004059648, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33790769) 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, 3918 + ... + 9106.

It is an arithmetic number, because the mean of its divisors is an integer number (1834146).

Almost surely, 233790768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33790768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36682920).

33790768 is an abundant number, since it is smaller than the sum of its proper divisors (39575072).

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

33790768 is a wasteful number, since it uses less digits than its factorization.

33790768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 33790768 is about 5812.9827111389. The cubic root of 33790768 is about 323.2952726187.

The spelling of 33790768 in words is "thirty-three million, seven hundred ninety thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 37 44 74 88 148 176 296 407 592 814 1628 3256 5189 6512 10378 20756 41512 57079 83024 114158 191993 228316 383986 456632 767972 913264 1535944 2111923 3071888 4223846 8447692 16895384 33790768