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20241432 = 2332281131
BaseRepresentation
bin100110100110…
…1110000011000
31102002101000200
41031031300120
520140211212
62001502200
7334022631
oct115156030
942071020
1020241432
1110475762
126941960
1342692a3
14298c888
151b9c6dc
hex134dc18

20241432 has 24 divisors (see below), whose sum is σ = 54820740. Its totient is φ = 6747120.

The previous prime is 20241421. The next prime is 20241469. The reversal of 20241432 is 23414202.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 140494 + ... + 140637.

Almost surely, 220241432 is an apocalyptic number.

It is an amenable number.

20241432 is an abundant number, since it is smaller than the sum of its proper divisors (34579308).

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

20241432 is a wasteful number, since it uses less digits than its factorization.

20241432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281143 (or 281136 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20241432 is about 4499.0478992782. The cubic root of 20241432 is about 272.5296413061.

Adding to 20241432 its reverse (23414202), we get a palindrome (43655634).

The spelling of 20241432 in words is "twenty million, two hundred forty-one thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 281131 562262 843393 1124524 1686786 2249048 2530179 3373572 5060358 6747144 10120716 20241432