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52743907 = 371425511
BaseRepresentation
bin1100100100110…
…0111011100011
310200020200001001
43021030323203
5102000301112
65122252431
71210213216
oct311147343
9120220031
1052743907
1127855307
12157b7117
13ac09318
14700d77d
15496cc57
hex324cee3

52743907 has 4 divisors (see below), whose sum is σ = 54169456. Its totient is φ = 51318360.

The previous prime is 52743893. The next prime is 52743913. The reversal of 52743907 is 70934725.

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

It is a cyclic number.

It is not a de Polignac number, because 52743907 - 211 = 52741859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1425511 = 52743907 / (5 + 2 + 7 + 4 + 3 + 9 + 0 + 7).

It is the 7263-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52743937) by changing a digit.

It is a nontrivial repunit in base 7262.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712719 + ... + 712792.

It is an arithmetic number, because the mean of its divisors is an integer number (13542364).

Almost surely, 252743907 is an apocalyptic number.

52743907 is a deficient number, since it is larger than the sum of its proper divisors (1425549).

52743907 is a wasteful number, since it uses less digits than its factorization.

52743907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425548.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 52743907 is about 7262.5000516351. The cubic root of 52743907 is about 375.0225930092.

The spelling of 52743907 in words is "fifty-two million, seven hundred forty-three thousand, nine hundred seven".

Divisors: 1 37 1425511 52743907