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33285942 = 2328812099
BaseRepresentation
bin111111011111…
…0011100110110
32022122002201200
41332332130312
532010122232
63145233330
7552632364
oct176763466
968562650
1033285942
1117875248
12b192846
136b85831
1445c6634
152dc777c
hex1fbe736

33285942 has 24 divisors (see below), whose sum is σ = 72235800. Its totient is φ = 11077440.

The previous prime is 33285919. The next prime is 33285943. The reversal of 33285942 is 24958233.

It is a super-2 number, since 2×332859422 = 2215907869654728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33285897 and 33285906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33285943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14809 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (3009825).

Almost surely, 233285942 is an apocalyptic number.

33285942 is an abundant number, since it is smaller than the sum of its proper divisors (38949858).

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

33285942 is a wasteful number, since it uses less digits than its factorization.

33285942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988 (or 2985 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 33285942 is about 5769.3970222199. The cubic root of 33285942 is about 321.6772030996.

The spelling of 33285942 in words is "thirty-three million, two hundred eighty-five thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 881 1762 2099 2643 4198 5286 6297 7929 12594 15858 18891 37782 1849219 3698438 5547657 11095314 16642971 33285942