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52705042 = 2132027117
BaseRepresentation
bin1100100100001…
…1011100010010
310200011200201121
43021003130102
5101443030132
65121352454
71206662005
oct311033422
9120150647
1052705042
1127829095
121579872a
13abc4720
146ddd53c
154961497
hex3243712

52705042 has 8 divisors (see below), whose sum is σ = 85138956. Its totient is φ = 24325392.

The previous prime is 52705027. The next prime is 52705043. The reversal of 52705042 is 24050725.

It can be written as a sum of positive squares in 2 ways, for example, as 49575681 + 3129361 = 7041^2 + 1769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 52704998 and 52705016.

It is not an unprimeable number, because it can be changed into a prime (52705043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013533 + ... + 1013584.

Almost surely, 252705042 is an apocalyptic number.

52705042 is a deficient number, since it is larger than the sum of its proper divisors (32433914).

52705042 is a wasteful number, since it uses less digits than its factorization.

52705042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027132.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52705042 is about 7259.8238270636. The cubic root of 52705042 is about 374.9304570301.

Adding to 52705042 its reverse (24050725), we get a palindrome (76755767).

The spelling of 52705042 in words is "fifty-two million, seven hundred five thousand, forty-two".

Divisors: 1 2 13 26 2027117 4054234 26352521 52705042