Search a number
-
+
52540064 = 251796581
BaseRepresentation
bin1100100001101…
…1001010100000
310122212022102022
43020123022200
5101422240224
65114041012
71205404013
oct310331240
9118768368
1052540064
1127726145
1215719168
13ab675c5
146d9937a
15492c65e
hex321b2a0

52540064 has 24 divisors (see below), whose sum is σ = 109523988. Its totient is φ = 24724480.

The previous prime is 52540063. The next prime is 52540091. The reversal of 52540064 is 46004525.

It can be written as a sum of positive squares in 2 ways, for example, as 50523664 + 2016400 = 7108^2 + 1420^2 .

It is not an unprimeable number, because it can be changed into a prime (52540063) 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, 47747 + ... + 48834.

Almost surely, 252540064 is an apocalyptic number.

It is an amenable number.

52540064 is an abundant number, since it is smaller than the sum of its proper divisors (56983924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52540064 is a wasteful number, since it uses less digits than its factorization.

52540064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96608 (or 96600 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 52540064 is about 7248.4525245048. The cubic root of 52540064 is about 374.5388440894.

Adding to 52540064 its reverse (46004525), we get a palindrome (98544589).

The spelling of 52540064 in words is "fifty-two million, five hundred forty thousand, sixty-four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 96581 193162 386324 772648 1545296 1641877 3090592 3283754 6567508 13135016 26270032 52540064