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52023557 = 67776471
BaseRepresentation
bin1100011001110…
…1000100000101
310121220001220102
43012131010011
5101304223212
65055013445
71201123115
oct306350405
9117801812
1052023557
1127403083
121550a285
13aa16491
146ca3045
1548795c2
hex319d105

52023557 has 4 divisors (see below), whose sum is σ = 52800096. Its totient is φ = 51247020.

The previous prime is 52023551. The next prime is 52023583. The reversal of 52023557 is 75532025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52023557 - 216 = 51958021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52023551) 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 3 ways as a sum of consecutive naturals, for example, 388169 + ... + 388302.

It is an arithmetic number, because the mean of its divisors is an integer number (13200024).

Almost surely, 252023557 is an apocalyptic number.

It is an amenable number.

52023557 is a deficient number, since it is larger than the sum of its proper divisors (776539).

52023557 is an equidigital number, since it uses as much as digits as its factorization.

52023557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776538.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 52023557 is about 7212.7357500466. The cubic root of 52023557 is about 373.3074704837.

The spelling of 52023557 in words is "fifty-two million, twenty-three thousand, five hundred fifty-seven".

Divisors: 1 67 776471 52023557