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52842437 = 2973109229
BaseRepresentation
bin1100100110010…
…0111111000101
310200102200012022
43021210333011
5102011424222
65124332525
71211103404
oct311447705
9120380168
1052842437
112791233a
1215844145
13ac4211b
14703763b
15498c042
hex3264fc5

52842437 has 16 divisors (see below), whose sum is σ = 56166000. Its totient is φ = 49641984.

The previous prime is 52842397. The next prime is 52842457. The reversal of 52842437 is 73424825.

It can be written as a sum of positive squares in 8 ways, for example, as 8300161 + 44542276 = 2881^2 + 6674^2 .

It is a cyclic number.

It is not a de Polignac number, because 52842437 - 26 = 52842373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52842397 and 52842406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52842457) 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, 230639 + ... + 230867.

It is an arithmetic number, because the mean of its divisors is an integer number (3510375).

Almost surely, 252842437 is an apocalyptic number.

It is an amenable number.

52842437 is a deficient number, since it is larger than the sum of its proper divisors (3323563).

52842437 is a wasteful number, since it uses less digits than its factorization.

52842437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its digits is 53760, while the sum is 35.

The square root of 52842437 is about 7269.2803632822. The cubic root of 52842437 is about 375.2559721985.

The spelling of 52842437 in words is "fifty-two million, eight hundred forty-two thousand, four hundred thirty-seven".

Divisors: 1 29 73 109 229 2117 3161 6641 7957 16717 24961 230753 484793 723869 1822153 52842437