Search a number
-
+
52347528 = 2332727049
BaseRepresentation
bin1100011110110…
…0001010001000
310122111112022100
43013230022020
5101400110103
65105553400
71203642462
oct307541210
9118445270
1052347528
1127604522
1215645860
13aacaa8c
146d49132
1548e05a3
hex31ec288

52347528 has 24 divisors (see below), whose sum is σ = 141774750. Its totient is φ = 17449152.

The previous prime is 52347521. The next prime is 52347541. The reversal of 52347528 is 82574325.

It can be written as a sum of positive squares in only one way, i.e., 52099524 + 248004 = 7218^2 + 498^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52347492 and 52347501.

It is not an unprimeable number, because it can be changed into a prime (52347521) 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 5 ways as a sum of consecutive naturals, for example, 363453 + ... + 363596.

Almost surely, 252347528 is an apocalyptic number.

It is an amenable number.

52347528 is an abundant number, since it is smaller than the sum of its proper divisors (89427222).

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

52347528 is a wasteful number, since it uses less digits than its factorization.

52347528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727061 (or 727054 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 52347528 is about 7235.1591551258. The cubic root of 52347528 is about 374.0807779232.

The spelling of 52347528 in words is "fifty-two million, three hundred forty-seven thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 727049 1454098 2181147 2908196 4362294 5816392 6543441 8724588 13086882 17449176 26173764 52347528