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52804973 = 134061921
BaseRepresentation
bin1100100101101…
…1110101101101
310200100202210202
43021123311231
5102004224343
65123443245
71210556234
oct311336555
9120322722
1052804973
1127897181
1215826525
13ac2b060
147027b1b
154980db8
hex325bd6d

52804973 has 4 divisors (see below), whose sum is σ = 56866908. Its totient is φ = 48743040.

The previous prime is 52804937. The next prime is 52804981. The reversal of 52804973 is 37940825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16540489 + 36264484 = 4067^2 + 6022^2 .

It is a cyclic number.

It is not a de Polignac number, because 52804973 - 222 = 48610669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52804373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030948 + ... + 2030973.

It is an arithmetic number, because the mean of its divisors is an integer number (14216727).

Almost surely, 252804973 is an apocalyptic number.

It is an amenable number.

52804973 is a deficient number, since it is larger than the sum of its proper divisors (4061935).

52804973 is a wasteful number, since it uses less digits than its factorization.

52804973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061934.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 52804973 is about 7266.7030350772. The cubic root of 52804973 is about 375.1672687861.

The spelling of 52804973 in words is "fifty-two million, eight hundred four thousand, nine hundred seventy-three".

Divisors: 1 13 4061921 52804973