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20452052 = 2248710499
BaseRepresentation
bin100111000000…
…1001011010100
31102111001221102
41032001023110
520213431202
62010205232
7335560655
oct116011324
942431842
1020452052
11105a9a25
126a23818
13431110a
142a0552c
151bded02
hex13812d4

20452052 has 12 divisors (see below), whose sum is σ = 35868000. Its totient is φ = 10204056.

The previous prime is 20452051. The next prime is 20452057. The reversal of 20452052 is 25025402.

20452052 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452051) 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, 3302 + ... + 7197.

It is an arithmetic number, because the mean of its divisors is an integer number (2989000).

Almost surely, 220452052 is an apocalyptic number.

It is an amenable number.

20452052 is a deficient number, since it is larger than the sum of its proper divisors (15415948).

20452052 is a wasteful number, since it uses less digits than its factorization.

20452052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990 (or 10988 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 20452052 is about 4522.3944984930. The cubic root of 20452052 is about 273.4716406264.

Adding to 20452052 its reverse (25025402), we get a palindrome (45477454).

The spelling of 20452052 in words is "twenty million, four hundred fifty-two thousand, fifty-two".

Divisors: 1 2 4 487 974 1948 10499 20998 41996 5113013 10226026 20452052