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52947973 = 1313131091
BaseRepresentation
bin1100100111111…
…0110000000101
310200122000222001
43021332300011
5102023313343
65130505301
71212023161
oct311766005
9120560861
1052947973
1127984661
1215895231
13ac7b180
147063ca1
1549ad44d
hex327ec05

52947973 has 8 divisors (see below), whose sum is σ = 57458016. Its totient is φ = 48500400.

The previous prime is 52947931. The next prime is 52947989. The reversal of 52947973 is 37974925.

52947973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52947973 - 225 = 19393541 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 (52947373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13843 + ... + 17248.

It is an arithmetic number, because the mean of its divisors is an integer number (7182252).

Almost surely, 252947973 is an apocalyptic number.

It is an amenable number.

52947973 is a deficient number, since it is larger than the sum of its proper divisors (4510043).

52947973 is a wasteful number, since it uses less digits than its factorization.

52947973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31235.

The product of its digits is 476280, while the sum is 46.

The square root of 52947973 is about 7276.5357829121. The cubic root of 52947973 is about 375.5056243148.

The spelling of 52947973 in words is "fifty-two million, nine hundred forty-seven thousand, nine hundred seventy-three".

Divisors: 1 13 131 1703 31091 404183 4072921 52947973