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229091429 = 7892691367
BaseRepresentation
bin11011010011110…
…10100001100101
3120222002001100202
431221322201211
5432121411204
634422120245
75451150020
oct1551724145
9528061322
10229091429
11108352866
1264880085
1338601878
14225d61b7
15151a3e1e
hexda7a865

229091429 has 16 divisors (see below), whose sum is σ = 265939200. Its totient is φ = 193294464.

The previous prime is 229091413. The next prime is 229091437. The reversal of 229091429 is 924190922.

It is a cyclic number.

It is not a de Polignac number, because 229091429 - 24 = 229091413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229091392 and 229091401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229091449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166904 + ... + 168270.

It is an arithmetic number, because the mean of its divisors is an integer number (16621200).

Almost surely, 2229091429 is an apocalyptic number.

It is an amenable number.

229091429 is a deficient number, since it is larger than the sum of its proper divisors (36847771).

229091429 is a wasteful number, since it uses less digits than its factorization.

229091429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 229091429 is about 15135.7665481468. The cubic root of 229091429 is about 611.8847279228.

The spelling of 229091429 in words is "two hundred twenty-nine million, ninety-one thousand, four hundred twenty-nine".

Divisors: 1 7 89 269 623 1367 1883 9569 23941 121663 167587 367723 851641 2574061 32727347 229091429