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51053443 = 721041907
BaseRepresentation
bin1100001011000…
…0001110000011
310120001210011021
43002300032003
5101032202233
65022130311
71156642600
oct302601603
9116053137
1051053443
1126900231
1215120997
13a766a4c
146acd6a7
154736e2d
hex30b0383

51053443 has 6 divisors (see below), whose sum is σ = 59388756. Its totient is φ = 43760052.

The previous prime is 51053413. The next prime is 51053459. The reversal of 51053443 is 34435015.

51053443 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 51053443 - 25 = 51053411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51053413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 520905 + ... + 521002.

It is an arithmetic number, because the mean of its divisors is an integer number (9898126).

Almost surely, 251053443 is an apocalyptic number.

51053443 is a deficient number, since it is larger than the sum of its proper divisors (8335313).

51053443 is a wasteful number, since it uses less digits than its factorization.

51053443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041921 (or 1041914 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 51053443 is about 7145.1692072337. The cubic root of 51053443 is about 370.9724674003.

Adding to 51053443 its reverse (34435015), we get a palindrome (85488458).

The spelling of 51053443 in words is "fifty-one million, fifty-three thousand, four hundred forty-three".

Divisors: 1 7 49 1041907 7293349 51053443