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20240052 = 2237240953
BaseRepresentation
bin100110100110…
…1011010110100
31102002022010120
41031031122310
520140140202
62001451540
7334015620
oct115153264
942068116
1020240052
1110474718
126940bb0
134268781
14298c180
151b9c0bc
hex134d6b4

20240052 has 24 divisors (see below), whose sum is σ = 53973696. Its totient is φ = 5782848.

The previous prime is 20240021. The next prime is 20240071. The reversal of 20240052 is 25004202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120393 + ... + 120560.

It is an arithmetic number, because the mean of its divisors is an integer number (2248904).

Almost surely, 220240052 is an apocalyptic number.

It is an amenable number.

20240052 is an abundant number, since it is smaller than the sum of its proper divisors (33733644).

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

20240052 is a wasteful number, since it uses less digits than its factorization.

20240052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240967 (or 240965 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 20240052 is about 4498.8945308820. The cubic root of 20240052 is about 272.5234477481.

Adding to 20240052 its reverse (25004202), we get a palindrome (45244254).

The spelling of 20240052 in words is "twenty million, two hundred forty thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 240953 481906 722859 963812 1445718 1686671 2891436 3373342 5060013 6746684 10120026 20240052