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33052540 = 2251652627
BaseRepresentation
bin111111000010…
…1011101111100
32022012020120011
41332011131330
531430140130
63140233004
7550641043
oct176053574
968166504
1033052540
1117725954
12b09b764
136b03521
14456555a
152d7d52a
hex1f8577c

33052540 has 12 divisors (see below), whose sum is σ = 69410376. Its totient is φ = 13221008.

The previous prime is 33052531. The next prime is 33052543. The reversal of 33052540 is 4525033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33052543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826294 + ... + 826333.

It is an arithmetic number, because the mean of its divisors is an integer number (5784198).

Almost surely, 233052540 is an apocalyptic number.

It is an amenable number.

33052540 is an abundant number, since it is smaller than the sum of its proper divisors (36357836).

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

33052540 is a wasteful number, since it uses less digits than its factorization.

33052540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652636 (or 1652634 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 33052540 is about 5749.1338478070. The cubic root of 33052540 is about 320.9235688540.

Adding to 33052540 its reverse (4525033), we get a palindrome (37577573).

The spelling of 33052540 in words is "thirty-three million, fifty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1652627 3305254 6610508 8263135 16526270 33052540