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29690473 is a prime number
BaseRepresentation
bin111000101000…
…0101001101001
32001212102200011
41301100221221
530100043343
62540211521
7510236101
oct161205151
961772604
1029690473
111583998a
129b39ba1
1361c7137
143d2c201
15291729d
hex1c50a69

29690473 has 2 divisors, whose sum is σ = 29690474. Its totient is φ = 29690472.

The previous prime is 29690413. The next prime is 29690497. The reversal of 29690473 is 37409692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29452329 + 238144 = 5427^2 + 488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29690473 is a prime.

It is not a weakly prime, because it can be changed into another prime (29690413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14845236 + 14845237.

It is an arithmetic number, because the mean of its divisors is an integer number (14845237).

Almost surely, 229690473 is an apocalyptic number.

It is an amenable number.

29690473 is a deficient number, since it is larger than the sum of its proper divisors (1).

29690473 is an equidigital number, since it uses as much as digits as its factorization.

29690473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 29690473 is about 5448.8964937866. The cubic root of 29690473 is about 309.6509181911.

The spelling of 29690473 in words is "twenty-nine million, six hundred ninety thousand, four hundred seventy-three".