Search a number
-
+
33986442 = 237809201
BaseRepresentation
bin1000000110100…
…1011110001010
32100221200122010
42001221132022
532200031232
63212240350
7561610560
oct201513612
970850563
1033986442
1118203576
12b4700b6
13706c629
144729a30
152eb50cc
hex206978a

33986442 has 16 divisors (see below), whose sum is σ = 77683392. Its totient is φ = 9710400.

The previous prime is 33986441. The next prime is 33986467. The reversal of 33986442 is 24468933.

It is a self number, because there is not a number n which added to its sum of digits gives 33986442.

It is not an unprimeable number, because it can be changed into a prime (33986441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404559 + ... + 404642.

It is an arithmetic number, because the mean of its divisors is an integer number (4855212).

Almost surely, 233986442 is an apocalyptic number.

33986442 is an abundant number, since it is smaller than the sum of its proper divisors (43696950).

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

33986442 is a wasteful number, since it uses less digits than its factorization.

33986442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809213.

The product of its digits is 124416, while the sum is 39.

The square root of 33986442 is about 5829.7891900136. The cubic root of 33986442 is about 323.9181129745.

The spelling of 33986442 in words is "thirty-three million, nine hundred eighty-six thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 809201 1618402 2427603 4855206 5664407 11328814 16993221 33986442