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22493029 = 1311171549
BaseRepresentation
bin101010111001…
…1011101100101
31120022202122011
41111303131211
521224234104
62122034221
7362121226
oct125633545
946282564
1022493029
1111773389
127648971
1348770b0
142db724d
151e94904
hex1573765

22493029 has 8 divisors (see below), whose sum is σ = 24260600. Its totient is φ = 20730816.

The previous prime is 22493027. The next prime is 22493033. The reversal of 22493029 is 92039422.

It can be written as a sum of positive squares in 4 ways, for example, as 656100 + 21836929 = 810^2 + 4673^2 .

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 22493029 - 21 = 22493027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22493021) 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, 13747 + ... + 15295.

It is an arithmetic number, because the mean of its divisors is an integer number (3032575).

Almost surely, 222493029 is an apocalyptic number.

It is an amenable number.

22493029 is a deficient number, since it is larger than the sum of its proper divisors (1767571).

22493029 is a wasteful number, since it uses less digits than its factorization.

22493029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 22493029 is about 4742.6816254098. The cubic root of 22493029 is about 282.2816502654.

The spelling of 22493029 in words is "twenty-two million, four hundred ninety-three thousand, twenty-nine".

Divisors: 1 13 1117 1549 14521 20137 1730233 22493029