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552203131 = 5318475641
BaseRepresentation
bin100000111010011…
…111001101111011
31102111001211021211
4200322133031323
52112331000011
6130443343551
716453435444
oct4072371573
91374054254
10552203131
11263782427
12134b21bb7
138a53221c
14534a42cb
153372ab21
hex20e9f37b

552203131 has 8 divisors (see below), whose sum is σ = 563026464. Its totient is φ = 541394880.

The previous prime is 552203117. The next prime is 552203149. The reversal of 552203131 is 131302255.

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

It is a cyclic number.

It is not a de Polignac number, because 552203131 - 213 = 552194939 is a prime.

It is a super-2 number, since 2×5522031312 = 609856595772406322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552203111) 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, 95071 + ... + 100711.

It is an arithmetic number, because the mean of its divisors is an integer number (70378308).

Almost surely, 2552203131 is an apocalyptic number.

552203131 is a deficient number, since it is larger than the sum of its proper divisors (10823333).

552203131 is a wasteful number, since it uses less digits than its factorization.

552203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 552203131 is about 23499.0027660750. The cubic root of 552203131 is about 820.4137962076.

Adding to 552203131 its reverse (131302255), we get a palindrome (683505386).

The spelling of 552203131 in words is "five hundred fifty-two million, two hundred three thousand, one hundred thirty-one".

Divisors: 1 53 1847 5641 97891 298973 10418927 552203131