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33301242 = 23213612333
BaseRepresentation
bin111111100001…
…0001011111010
32022122212201100
41333002023322
532011114432
63145432230
7553025112
oct177021372
968585640
1033301242
1117885797
12b19b676
136b8c7a0
1445cc042
152dcc07c
hex1fc22fa

33301242 has 48 divisors (see below), whose sum is σ = 79010568. Its totient is φ = 10074240.

The previous prime is 33301241. The next prime is 33301253. The reversal of 33301242 is 24210333.

It can be written as a sum of positive squares in 4 ways, for example, as 10634121 + 22667121 = 3261^2 + 4761^2 .

It is a super-2 number, since 2×333012422 = 2217945437485128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (33301241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13108 + ... + 15440.

Almost surely, 233301242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33301242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39505284).

33301242 is an abundant number, since it is smaller than the sum of its proper divisors (45709326).

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

33301242 is a wasteful number, since it uses less digits than its factorization.

33301242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 33301242 is about 5770.7228316737. The cubic root of 33301242 is about 321.7264822348.

Adding to 33301242 its reverse (24210333), we get a palindrome (57511575).

Subtracting from 33301242 its reverse (24210333), we obtain a palindrome (9090909).

The spelling of 33301242 in words is "thirty-three million, three hundred one thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 61 78 117 122 183 234 366 549 793 1098 1586 2333 2379 4666 4758 6999 7137 13998 14274 20997 30329 41994 60658 90987 142313 181974 272961 284626 426939 545922 853878 1280817 1850069 2561634 3700138 5550207 11100414 16650621 33301242