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29071338 = 2310347041
BaseRepresentation
bin110111011100…
…1011111101010
32000200222101020
41232321133222
524420240323
62515033310
7502050042
oct156713752
960628336
1029071338
11154567aa
12989b836
13603b39a
143c0a722
152843ae3
hex1bb97ea

29071338 has 16 divisors (see below), whose sum is σ = 58708416. Its totient is φ = 9596160.

The previous prime is 29071303. The next prime is 29071363. The reversal of 29071338 is 83317092.

It is a super-2 number, since 2×290713382 = 1690285386220488, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29071299 and 29071308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22903 + ... + 24138.

It is an arithmetic number, because the mean of its divisors is an integer number (3669276).

Almost surely, 229071338 is an apocalyptic number.

29071338 is an abundant number, since it is smaller than the sum of its proper divisors (29637078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29071338 is a wasteful number, since it uses less digits than its factorization.

29071338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47149.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 29071338 is about 5391.7843057749. The cubic root of 29071338 is about 307.4833991963.

The spelling of 29071338 in words is "twenty-nine million, seventy-one thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 103 206 309 618 47041 94082 141123 282246 4845223 9690446 14535669 29071338