Search a number
-
+
52432881 = 3131133417
BaseRepresentation
bin1100100000000…
…0111111110001
310122122212101120
43020000333301
5101410323011
65111452453
71204446354
oct310007761
9118585346
1052432881
1127662666
1215687129
13ab2a897
146d6c29b
15490aa06
hex3200ff1

52432881 has 8 divisors (see below), whose sum is σ = 70444704. Its totient is φ = 34688160.

The previous prime is 52432829. The next prime is 52432901. The reversal of 52432881 is 18823425.

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

It is not a de Polignac number, because 52432881 - 210 = 52431857 is a prime.

It is a super-2 number, since 2×524328812 = 5498414019920322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52437881) 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, 66316 + ... + 67101.

It is an arithmetic number, because the mean of its divisors is an integer number (8805588).

Almost surely, 252432881 is an apocalyptic number.

It is an amenable number.

52432881 is a deficient number, since it is larger than the sum of its proper divisors (18011823).

52432881 is a wasteful number, since it uses less digits than its factorization.

52432881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133551.

The product of its digits is 15360, while the sum is 33.

The square root of 52432881 is about 7241.0552407781. The cubic root of 52432881 is about 374.2839812715.

The spelling of 52432881 in words is "fifty-two million, four hundred thirty-two thousand, eight hundred eighty-one".

Divisors: 1 3 131 393 133417 400251 17477627 52432881