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52974705 = 357504521
BaseRepresentation
bin1100101000010…
…1010001110001
310200200101122010
43022011101301
5102030142310
65131233133
71212164130
oct312052161
9120611563
1052974705
11279a2753
12158a87a9
13ac8a3a4
14706d917
1549b6320
hex3285471

52974705 has 16 divisors (see below), whose sum is σ = 96868224. Its totient is φ = 24216960.

The previous prime is 52974683. The next prime is 52974709. The reversal of 52974705 is 50747925.

It is not a de Polignac number, because 52974705 - 25 = 52974673 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52974709) 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 15 ways as a sum of consecutive naturals, for example, 252156 + ... + 252365.

It is an arithmetic number, because the mean of its divisors is an integer number (6054264).

Almost surely, 252974705 is an apocalyptic number.

It is an amenable number.

52974705 is a deficient number, since it is larger than the sum of its proper divisors (43893519).

52974705 is a wasteful number, since it uses less digits than its factorization.

52974705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504536.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 52974705 is about 7278.3724142146. The cubic root of 52974705 is about 375.5688078951.

The spelling of 52974705 in words is "fifty-two million, nine hundred seventy-four thousand, seven hundred five".

Divisors: 1 3 5 7 15 21 35 105 504521 1513563 2522605 3531647 7567815 10594941 17658235 52974705