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29338940 = 2251786291
BaseRepresentation
bin110111111101…
…0110100111100
32001012120110102
41233322310330
530002321230
62524500232
7504243161
oct157726474
961176412
1029338940
1115619864
1299aa678
136103127
143c7a068
152898045
hex1bfad3c

29338940 has 24 divisors (see below), whose sum is σ = 65236752. Its totient is φ = 11045120.

The previous prime is 29338913. The next prime is 29338963. The reversal of 29338940 is 4983392.

It is a junction number, because it is equal to n+sod(n) for n = 29338894 and 29338903.

It is a congruent number.

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, 42806 + ... + 43485.

It is an arithmetic number, because the mean of its divisors is an integer number (2718198).

Almost surely, 229338940 is an apocalyptic number.

29338940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29338940 is an abundant number, since it is smaller than the sum of its proper divisors (35897812).

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

29338940 is a wasteful number, since it uses less digits than its factorization.

29338940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86317 (or 86315 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 29338940 is about 5416.5431780795. The cubic root of 29338940 is about 308.4239817881.

The spelling of 29338940 in words is "twenty-nine million, three hundred thirty-eight thousand, nine hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 86291 172582 345164 431455 862910 1466947 1725820 2933894 5867788 7334735 14669470 29338940