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29243668 = 227310917
BaseRepresentation
bin110111110001…
…1100100010100
32001000201202211
41233203210110
524441244133
62522443204
7503365336
oct157434424
961021684
1029243668
1115564223
129963504
13609b95c
143c53456
152879bcd
hex1be3914

29243668 has 6 divisors (see below), whose sum is σ = 51176426. Its totient is φ = 14621832.

The previous prime is 29243623. The next prime is 29243677. The reversal of 29243668 is 86634292.

It can be written as a sum of positive squares in only one way, i.e., 23990404 + 5253264 = 4898^2 + 2292^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29243668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3655455 + ... + 3655462.

Almost surely, 229243668 is an apocalyptic number.

It is an amenable number.

29243668 is a deficient number, since it is larger than the sum of its proper divisors (21932758).

29243668 is a wasteful number, since it uses less digits than its factorization.

29243668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7310921 (or 7310919 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 29243668 is about 5407.7414879042. The cubic root of 29243668 is about 308.0897725609.

The spelling of 29243668 in words is "twenty-nine million, two hundred forty-three thousand, six hundred sixty-eight".

Divisors: 1 2 4 7310917 14621834 29243668