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229375949 = 1121011372
BaseRepresentation
bin11011010101111…
…11111111001101
3120222121111122112
431222333333031
5432210012244
634432153405
75453443355
oct1552777715
9528544575
10229375949
11108527600
1264998865
13386a121a
142266bb65
151520d39e
hexdabffcd

229375949 has 18 divisors (see below), whose sum is σ = 256492362. Its totient is φ = 204952000.

The previous prime is 229375919. The next prime is 229375963. The reversal of 229375949 is 949573922.

It can be written as a sum of positive squares in 3 ways, for example, as 111978724 + 117397225 = 10582^2 + 10835^2 .

It is not a de Polignac number, because 229375949 - 220 = 228327373 is a prime.

It is a super-2 number, since 2×2293759492 = 105226651959301202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229375897 and 229375906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229375919) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1674209 + ... + 1674345.

Almost surely, 2229375949 is an apocalyptic number.

It is an amenable number.

229375949 is a deficient number, since it is larger than the sum of its proper divisors (27116413).

229375949 is a wasteful number, since it uses less digits than its factorization.

229375949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 249 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 229375949 is about 15145.1625610292. The cubic root of 229375949 is about 612.1379331191.

The spelling of 229375949 in words is "two hundred twenty-nine million, three hundred seventy-five thousand, nine hundred forty-nine".

Divisors: 1 11 101 121 137 1111 1507 12221 13837 16577 18769 152207 206459 1674277 1895669 2271049 20852359 229375949