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29913748 = 2214935009
BaseRepresentation
bin111001000011…
…1001010010100
32002021202221121
41302013022110
530124214443
62545053324
7512156044
oct162071224
962252847
1029913748
1115981707
12a027244
136274957
143d89724
15295d4ed
hex1c87294

29913748 has 12 divisors (see below), whose sum is σ = 52394580. Its totient is φ = 14943872.

The previous prime is 29913743. The next prime is 29913757. The reversal of 29913748 is 84731992.

It can be written as a sum of positive squares in 2 ways, for example, as 20684304 + 9229444 = 4548^2 + 3038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29913743) 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, 3468 + ... + 8476.

It is an arithmetic number, because the mean of its divisors is an integer number (4366215).

Almost surely, 229913748 is an apocalyptic number.

It is an amenable number.

29913748 is a deficient number, since it is larger than the sum of its proper divisors (22480832).

29913748 is a wasteful number, since it uses less digits than its factorization.

29913748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506 (or 6504 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 29913748 is about 5469.3462132142. The cubic root of 29913748 is about 310.4251814029.

The spelling of 29913748 in words is "twenty-nine million, nine hundred thirteen thousand, seven hundred forty-eight".

Divisors: 1 2 4 1493 2986 5009 5972 10018 20036 7478437 14956874 29913748