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52945761 = 3111984443
BaseRepresentation
bin1100100111111…
…0001101100001
310200121220221010
43021332031201
5102023231021
65130451133
71212013551
oct311761541
9120556833
1052945761
1127982a30
1215893aa9
13ac7a16b
147063161
1549ac976
hex327e361

52945761 has 16 divisors (see below), whose sum is σ = 81066240. Its totient is φ = 30399120.

The previous prime is 52945759. The next prime is 52945777. The reversal of 52945761 is 16754925.

It is not a de Polignac number, because 52945761 - 21 = 52945759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52945751) 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, 41595 + ... + 42848.

It is an arithmetic number, because the mean of its divisors is an integer number (5066640).

Almost surely, 252945761 is an apocalyptic number.

It is an amenable number.

52945761 is a deficient number, since it is larger than the sum of its proper divisors (28120479).

52945761 is a wasteful number, since it uses less digits than its factorization.

52945761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84476.

The product of its digits is 75600, while the sum is 39.

The square root of 52945761 is about 7276.3837859200. The cubic root of 52945761 is about 375.5003950934.

The spelling of 52945761 in words is "fifty-two million, nine hundred forty-five thousand, seven hundred sixty-one".

Divisors: 1 3 11 19 33 57 209 627 84443 253329 928873 1604417 2786619 4813251 17648587 52945761