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52425479 = 69175869
BaseRepresentation
bin1100011111111…
…1001100000111
310122122111020102
43013333030013
5101410103404
65111354315
71204415651
oct307771407
9118574212
1052425479
1127658047
121568299b
13ab273c2
146d696d1
15490871e
hex31ff307

52425479 has 4 divisors (see below), whose sum is σ = 52502040. Its totient is φ = 52348920.

The previous prime is 52425449. The next prime is 52425481. The reversal of 52425479 is 97452425.

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-52425479 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52425409) 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, 37244 + ... + 38625.

It is an arithmetic number, because the mean of its divisors is an integer number (13125510).

Almost surely, 252425479 is an apocalyptic number.

52425479 is a deficient number, since it is larger than the sum of its proper divisors (76561).

52425479 is an equidigital number, since it uses as much as digits as its factorization.

52425479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76560.

The product of its digits is 100800, while the sum is 38.

The square root of 52425479 is about 7240.5441093885. The cubic root of 52425479 is about 374.2663677667.

The spelling of 52425479 in words is "fifty-two million, four hundred twenty-five thousand, four hundred seventy-nine".

Divisors: 1 691 75869 52425479