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229412939 = 72973113137
BaseRepresentation
bin11011010110010…
…01000001001011
3120222200101101112
431223021001023
5432212203224
634433040535
75453656250
oct1553110113
9528611345
10229412939
11108552378
12649b614b
13386b5002
142267b427
151521930e
hexdac904b

229412939 has 32 divisors (see below), whose sum is σ = 279400320. Its totient is φ = 184246272.

The previous prime is 229412933. The next prime is 229412947. The reversal of 229412939 is 939214922.

It is not a de Polignac number, because 229412939 - 24 = 229412923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229412896 and 229412905.

It is not an unprimeable number, because it can be changed into a prime (229412933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1674479 + ... + 1674615.

It is an arithmetic number, because the mean of its divisors is an integer number (8731260).

Almost surely, 2229412939 is an apocalyptic number.

229412939 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

229412939 is a deficient number, since it is larger than the sum of its proper divisors (49987381).

229412939 is a wasteful number, since it uses less digits than its factorization.

229412939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its digits is 69984, while the sum is 41.

The square root of 229412939 is about 15146.3836938063. The cubic root of 229412939 is about 612.1708365471.

The spelling of 229412939 in words is "two hundred twenty-nine million, four hundred twelve thousand, nine hundred thirty-nine".

Divisors: 1 7 29 73 113 137 203 511 791 959 2117 3277 3973 8249 10001 14819 15481 22939 27811 57743 70007 108367 239221 290029 448949 1130113 1674547 2030203 3142643 7910791 32773277 229412939