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52342143 = 37350867
BaseRepresentation
bin1100011110101…
…0110101111111
310122111020220220
43013222311333
5101344422033
65105512423
71203621000
oct307526577
9118436826
1052342143
1127600477
1215642713
13aac84a9
146d471a7
1548ddbb3
hex31ead7f

52342143 has 16 divisors (see below), whose sum is σ = 81388800. Its totient is φ = 29909208.

The previous prime is 52342141. The next prime is 52342177. The reversal of 52342143 is 34124325.

It is not a de Polignac number, because 52342143 - 21 = 52342141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52342141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24405 + ... + 26462.

It is an arithmetic number, because the mean of its divisors is an integer number (5086800).

Almost surely, 252342143 is an apocalyptic number.

52342143 is a deficient number, since it is larger than the sum of its proper divisors (29046657).

52342143 is an equidigital number, since it uses as much as digits as its factorization.

52342143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50891 (or 50877 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 52342143 is about 7234.7870044667. The cubic root of 52342143 is about 374.0679502301.

Adding to 52342143 its reverse (34124325), we get a palindrome (86466468).

The spelling of 52342143 in words is "fifty-two million, three hundred forty-two thousand, one hundred forty-three".

Divisors: 1 3 7 21 49 147 343 1029 50867 152601 356069 1068207 2492483 7477449 17447381 52342143