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29009790 = 2325973323
BaseRepresentation
bin110111010101…
…0011101111110
32000120211221200
41232222131332
524411303130
62513440330
7501402435
oct156523576
960524850
1029009790
1115414537
1298700a6
136019374
143bd211c
152830760
hex1baa77e

29009790 has 48 divisors (see below), whose sum is σ = 76225968. Its totient is φ = 7653888.

The previous prime is 29009777. The next prime is 29009807. The reversal of 29009790 is 9790092.

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 23 ways as a sum of consecutive naturals, for example, 7069 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (1588041).

Almost surely, 229009790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29009790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38112984).

29009790 is an abundant number, since it is smaller than the sum of its proper divisors (47216178).

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

29009790 is a wasteful number, since it uses less digits than its factorization.

29009790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433 (or 3430 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 29009790 is about 5386.0737091132. The cubic root of 29009790 is about 307.2662510717.

The spelling of 29009790 in words is "twenty-nine million, nine thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 97 194 291 485 582 873 970 1455 1746 2910 3323 4365 6646 8730 9969 16615 19938 29907 33230 49845 59814 99690 149535 299070 322331 644662 966993 1611655 1933986 2900979 3223310 4834965 5801958 9669930 14504895 29009790