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33240141 = 3211714729
BaseRepresentation
bin111111011001…
…1010001001101
32022112202220100
41332303101031
532002141031
63144241313
7552352014
oct176632115
968482810
1033240141
11178438a0
12b170239
136b6aa2c
1445b3a7b
152db8de6
hex1fb344d

33240141 has 24 divisors (see below), whose sum is σ = 53127360. Its totient is φ = 19857600.

The previous prime is 33240133. The next prime is 33240149. The reversal of 33240141 is 14104233.

It is an interprime number because it is at equal distance from previous prime (33240133) and next prime (33240149).

It is not a de Polignac number, because 33240141 - 23 = 33240133 is a prime.

It is a super-2 number, since 2×332401412 = 2209813947399762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33240149) 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, 4665 + ... + 9393.

It is an arithmetic number, because the mean of its divisors is an integer number (2213640).

Almost surely, 233240141 is an apocalyptic number.

It is an amenable number.

33240141 is a deficient number, since it is larger than the sum of its proper divisors (19887219).

33240141 is a wasteful number, since it uses less digits than its factorization.

33240141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817 (or 4814 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 33240141 is about 5765.4263502364. The cubic root of 33240141 is about 321.5295942353.

Adding to 33240141 its reverse (14104233), we get a palindrome (47344374).

The spelling of 33240141 in words is "thirty-three million, two hundred forty thousand, one hundred forty-one".

Divisors: 1 3 9 11 33 71 99 213 639 781 2343 4729 7029 14187 42561 52019 156057 335759 468171 1007277 3021831 3693349 11080047 33240141