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29387273 is a prime number
BaseRepresentation
bin111000000011…
…0101000001001
32001022000202112
41300012220021
530010343043
62525512105
7504534116
oct160065011
961260675
1029387273
1115652103
129a12635
13611c126
143c8d90d
1528a7518
hex1c06a09

29387273 has 2 divisors, whose sum is σ = 29387274. Its totient is φ = 29387272.

The previous prime is 29387227. The next prime is 29387279. The reversal of 29387273 is 37278392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24880144 + 4507129 = 4988^2 + 2123^2 .

It is a cyclic number.

It is not a de Polignac number, because 29387273 - 214 = 29370889 is a prime.

It is a super-2 number, since 2×293872732 = 1727223628753058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29387273.

It is not a weakly prime, because it can be changed into another prime (29387279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14693636 + 14693637.

It is an arithmetic number, because the mean of its divisors is an integer number (14693637).

Almost surely, 229387273 is an apocalyptic number.

It is an amenable number.

29387273 is a deficient number, since it is larger than the sum of its proper divisors (1).

29387273 is an equidigital number, since it uses as much as digits as its factorization.

29387273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 29387273 is about 5421.0029514842. The cubic root of 29387273 is about 308.5932548637.

The spelling of 29387273 in words is "twenty-nine million, three hundred eighty-seven thousand, two hundred seventy-three".