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29505031 is a prime number
BaseRepresentation
bin111000010001…
…1011000000111
32001112000021221
41300203120013
530023130111
62532221211
7505534333
oct160433007
961460257
1029505031
1115722626
129a6a807
1361608ca
143cc07c3
1528cc371
hex1c23607

29505031 has 2 divisors, whose sum is σ = 29505032. Its totient is φ = 29505030.

The previous prime is 29505019. The next prime is 29505037. The reversal of 29505031 is 13050592.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29505031 - 27 = 29504903 is a prime.

It is a super-2 number, since 2×295050312 = 1741093708621922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29504987 and 29505005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29505037) 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, 14752515 + 14752516.

It is an arithmetic number, because the mean of its divisors is an integer number (14752516).

Almost surely, 229505031 is an apocalyptic number.

29505031 is a deficient number, since it is larger than the sum of its proper divisors (1).

29505031 is an equidigital number, since it uses as much as digits as its factorization.

29505031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 29505031 is about 5431.8533669458. The cubic root of 29505031 is about 309.0048944390.

The spelling of 29505031 in words is "twenty-nine million, five hundred five thousand, thirty-one".