Search a number
-
+
52988497 = 109486133
BaseRepresentation
bin1100101000100…
…0101001010001
310200201002112221
43022020221101
5102031112442
65131421041
71212252262
oct312105121
9120632487
1052988497
1127a02051
12158b4781
13ac93753
147074969
1549ba467
hex3288a51

52988497 has 4 divisors (see below), whose sum is σ = 53474740. Its totient is φ = 52502256.

The previous prime is 52988489. The next prime is 52988501. The reversal of 52988497 is 79488925.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47831056 + 5157441 = 6916^2 + 2271^2 .

It is a cyclic number.

It is not a de Polignac number, because 52988497 - 23 = 52988489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52988407) 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, 242958 + ... + 243175.

It is an arithmetic number, because the mean of its divisors is an integer number (13368685).

Almost surely, 252988497 is an apocalyptic number.

It is an amenable number.

52988497 is a deficient number, since it is larger than the sum of its proper divisors (486243).

52988497 is a wasteful number, since it uses less digits than its factorization.

52988497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486242.

The product of its digits is 1451520, while the sum is 52.

The square root of 52988497 is about 7279.3198171258. The cubic root of 52988497 is about 375.6013982640.

The spelling of 52988497 in words is "fifty-two million, nine hundred eighty-eight thousand, four hundred ninety-seven".

Divisors: 1 109 486133 52988497