Search a number
-
+
52404523 = 178813499
BaseRepresentation
bin1100011111101…
…0000100101011
310122121102111021
43013322010223
5101403421043
65111113311
71204300603
oct307720453
9118542437
1052404523
1127643326
1215672837
13ab1a9c2
146d61c03
1549023ed
hex31fa12b

52404523 has 8 divisors (see below), whose sum is σ = 55566000. Its totient is φ = 49251840.

The previous prime is 52404497. The next prime is 52404563. The reversal of 52404523 is 32540425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52404523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52404563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13228 + ... + 16726.

It is an arithmetic number, because the mean of its divisors is an integer number (6945750).

Almost surely, 252404523 is an apocalyptic number.

52404523 is a deficient number, since it is larger than the sum of its proper divisors (3161477).

52404523 is a wasteful number, since it uses less digits than its factorization.

52404523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 52404523 is about 7239.0968359320. The cubic root of 52404523 is about 374.2164927096.

Adding to 52404523 its reverse (32540425), we get a palindrome (84944948).

The spelling of 52404523 in words is "fifty-two million, four hundred four thousand, five hundred twenty-three".

Divisors: 1 17 881 3499 14977 59483 3082619 52404523