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52437427 = 77491061
BaseRepresentation
bin1100100000001…
…0000110110011
310122200002121221
43020002012303
5101410444202
65111525511
71204465540
oct310020663
9118602557
1052437427
1127666019
1215689897
13ab2c983
146d6dbc7
15490c037
hex32021b3

52437427 has 4 divisors (see below), whose sum is σ = 59928496. Its totient is φ = 44946360.

The previous prime is 52437391. The next prime is 52437439. The reversal of 52437427 is 72473425.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52437427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52437392 and 52437401.

It is not an unprimeable number, because it can be changed into a prime (52437457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745524 + ... + 3745537.

It is an arithmetic number, because the mean of its divisors is an integer number (14982124).

Almost surely, 252437427 is an apocalyptic number.

52437427 is a deficient number, since it is larger than the sum of its proper divisors (7491069).

52437427 is an equidigital number, since it uses as much as digits as its factorization.

52437427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491068.

The product of its digits is 47040, while the sum is 34.

The square root of 52437427 is about 7241.3691384986. The cubic root of 52437427 is about 374.2947979307.

The spelling of 52437427 in words is "fifty-two million, four hundred thirty-seven thousand, four hundred twenty-seven".

Divisors: 1 7 7491061 52437427