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29345143 is a prime number
BaseRepresentation
bin110111111110…
…0010101110111
32001012212222011
41233330111313
530003021033
62524545051
7504300232
oct157742567
961185864
1029345143
1115623493
1299b2187
136105bb9
143c7c419
152899ccd
hex1bfc577

29345143 has 2 divisors, whose sum is σ = 29345144. Its totient is φ = 29345142.

The previous prime is 29345123. The next prime is 29345149. The reversal of 29345143 is 34154392.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29345143 is a prime.

It is a super-2 number, since 2×293451432 = 1722274835380898, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29345149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14672571 + 14672572.

It is an arithmetic number, because the mean of its divisors is an integer number (14672572).

Almost surely, 229345143 is an apocalyptic number.

29345143 is a deficient number, since it is larger than the sum of its proper divisors (1).

29345143 is an equidigital number, since it uses as much as digits as its factorization.

29345143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 29345143 is about 5417.1157454867. The cubic root of 29345143 is about 308.4457164877.

Subtracting 29345143 from its reverse (34154392), we obtain a square (4809249 = 21932).

The spelling of 29345143 in words is "twenty-nine million, three hundred forty-five thousand, one hundred forty-three".