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29649313 = 53559421
BaseRepresentation
bin111000100011…
…0100110100001
32001210100012201
41301012212201
530042234223
62535253201
7510005101
oct161064641
961710181
1029649313
1115810a71
129b1a201
1361b1495
143d1b201
152909ead
hex1c469a1

29649313 has 4 divisors (see below), whose sum is σ = 30208788. Its totient is φ = 29089840.

The previous prime is 29649289. The next prime is 29649331. The reversal of 29649313 is 31394692.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15421329 + 14227984 = 3927^2 + 3772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29649313 is a prime.

It is a super-2 number, since 2×296493132 = 1758163522743938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29649353) 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 in 3 ways as a sum of consecutive naturals, for example, 279658 + ... + 279763.

It is an arithmetic number, because the mean of its divisors is an integer number (7552197).

Almost surely, 229649313 is an apocalyptic number.

It is an amenable number.

29649313 is a deficient number, since it is larger than the sum of its proper divisors (559475).

29649313 is an equidigital number, since it uses as much as digits as its factorization.

29649313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559474.

The product of its digits is 34992, while the sum is 37.

The square root of 29649313 is about 5445.1182723610. The cubic root of 29649313 is about 309.5077619906.

The spelling of 29649313 in words is "twenty-nine million, six hundred forty-nine thousand, three hundred thirteen".

Divisors: 1 53 559421 29649313