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52705044 = 22327209147
BaseRepresentation
bin1100100100001…
…1011100010100
310200011200201200
43021003130110
5101443030134
65121352500
71206662010
oct311033424
9120150650
1052705044
1127829097
1215798730
13abc4722
146ddd540
154961499
hex3243714

52705044 has 36 divisors (see below), whose sum is σ = 152259744. Its totient is φ = 15058512.

The previous prime is 52705043. The next prime is 52705073. The reversal of 52705044 is 44050725.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 52704999 and 52705017.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 104322 + ... + 104825.

Almost surely, 252705044 is an apocalyptic number.

It is an amenable number.

52705044 is an abundant number, since it is smaller than the sum of its proper divisors (99554700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52705044 is a wasteful number, since it uses less digits than its factorization.

52705044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209164 (or 209159 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52705044 is about 7259.8239648080. The cubic root of 52705044 is about 374.9304617726.

Adding to 52705044 its reverse (44050725), we get a palindrome (96755769).

The spelling of 52705044 in words is "fifty-two million, seven hundred five thousand, forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 209147 418294 627441 836588 1254882 1464029 1882323 2509764 2928058 3764646 4392087 5856116 7529292 8784174 13176261 17568348 26352522 52705044