Search a number
-
+
552331331 = 962357397
BaseRepresentation
bin100000111010111…
…110100001000011
31102111022100010222
4200322332201003
52112344100311
6130450213255
716454511266
oct4072764103
91374270128
10552331331
1126385a782
12134b8422b
138a578696
14534d8cdd
1533753adb
hex20ebe843

552331331 has 4 divisors (see below), whose sum is σ = 552398352. Its totient is φ = 552264312.

The previous prime is 552331267. The next prime is 552331363. The reversal of 552331331 is 133133255.

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

It is a cyclic number.

It is not a de Polignac number, because 552331331 - 26 = 552331267 is a prime.

It is a super-2 number, since 2×5523313312 = 610139798408463122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 552331331.

It is not an unprimeable number, because it can be changed into a prime (552331631) 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, 19076 + ... + 38321.

It is an arithmetic number, because the mean of its divisors is an integer number (138099588).

Almost surely, 2552331331 is an apocalyptic number.

552331331 is a deficient number, since it is larger than the sum of its proper divisors (67021).

552331331 is an equidigital number, since it uses as much as digits as its factorization.

552331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67020.

The product of its digits is 4050, while the sum is 26.

The square root of 552331331 is about 23501.7303831016. The cubic root of 552331331 is about 820.4772806420.

Adding to 552331331 its reverse (133133255), we get a palindrome (685464586).

The spelling of 552331331 in words is "five hundred fifty-two million, three hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 9623 57397 552331331