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52474561 = 192761819
BaseRepresentation
bin1100100000101…
…1001011000001
310122201222120021
43020023023001
5101413141221
65112413441
71205012026
oct310131301
9118658507
1052474561
1127690a07
12156a7281
13ab43849
146d7d54d
154918041
hex320b2c1

52474561 has 4 divisors (see below), whose sum is σ = 55236400. Its totient is φ = 49712724.

The previous prime is 52474559. The next prime is 52474567. The reversal of 52474561 is 16547425.

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 52474561 - 21 = 52474559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52474567) 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, 1380891 + ... + 1380928.

It is an arithmetic number, because the mean of its divisors is an integer number (13809100).

Almost surely, 252474561 is an apocalyptic number.

It is an amenable number.

52474561 is a deficient number, since it is larger than the sum of its proper divisors (2761839).

52474561 is a wasteful number, since it uses less digits than its factorization.

52474561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761838.

The product of its digits is 33600, while the sum is 34.

The square root of 52474561 is about 7243.9327026140. The cubic root of 52474561 is about 374.3831304074.

It can be divided in two parts, 52474 and 561, that added together give a palindrome (53035).

The spelling of 52474561 in words is "fifty-two million, four hundred seventy-four thousand, five hundred sixty-one".

Divisors: 1 19 2761819 52474561