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52724973 = 3717147689
BaseRepresentation
bin1100100100100…
…0010011101101
310200012201001210
43021020103231
5101444144343
65122025033
71210104060
oct311102355
9120181053
1052724973
1127842064
12157a8179
13ac00812
1470068d7
154967333
hex32484ed

52724973 has 16 divisors (see below), whose sum is σ = 85069440. Its totient is φ = 28356096.

The previous prime is 52724953. The next prime is 52725059. The reversal of 52724973 is 37942725.

It is not a de Polignac number, because 52724973 - 25 = 52724941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52724933) 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, 73488 + ... + 74201.

It is an arithmetic number, because the mean of its divisors is an integer number (5316840).

Almost surely, 252724973 is an apocalyptic number.

It is an amenable number.

52724973 is a deficient number, since it is larger than the sum of its proper divisors (32344467).

52724973 is a wasteful number, since it uses less digits than its factorization.

52724973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147716.

The product of its digits is 105840, while the sum is 39.

The square root of 52724973 is about 7261.1963890257. The cubic root of 52724973 is about 374.9777124532.

The spelling of 52724973 in words is "fifty-two million, seven hundred twenty-four thousand, nine hundred seventy-three".

Divisors: 1 3 7 17 21 51 119 357 147689 443067 1033823 2510713 3101469 7532139 17574991 52724973