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229030887 = 376343629
BaseRepresentation
bin11011010011010…
…11101111100111
3120221221222022110
431221223233213
5432112442022
634420532103
75450505351
oct1551535747
9527858273
10229030887
11108311328
1264851033
13385b0147
14225bc0d1
151519100c
hexda6bbe7

229030887 has 4 divisors (see below), whose sum is σ = 305374520. Its totient is φ = 152687256.

The previous prime is 229030873. The next prime is 229030889. The reversal of 229030887 is 788030922.

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

It is not a de Polignac number, because 229030887 - 226 = 161922023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229030889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38171812 + ... + 38171817.

It is an arithmetic number, because the mean of its divisors is an integer number (76343630).

Almost surely, 2229030887 is an apocalyptic number.

229030887 is a deficient number, since it is larger than the sum of its proper divisors (76343633).

229030887 is an equidigital number, since it uses as much as digits as its factorization.

229030887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76343632.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 229030887 is about 15133.7664512176. The cubic root of 229030887 is about 611.8308222412.

The spelling of 229030887 in words is "two hundred twenty-nine million, thirty thousand, eight hundred eighty-seven".

Divisors: 1 3 76343629 229030887