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29882905 = 5132983191
BaseRepresentation
bin111000111111…
…1101000011001
32002020012122021
41301333220121
530122223110
62544254441
7512000113
oct161775031
962205567
1029882905
1115960518
12a011421
1362638c0
143d7c3b3
1529542da
hex1c7fa19

29882905 has 32 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 20939520.

The previous prime is 29882903. The next prime is 29882927. The reversal of 29882905 is 50928892.

It is not a de Polignac number, because 29882905 - 21 = 29882903 is a prime.

It is a super-2 number, since 2×298829052 = 1785976022478050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29882903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156360 + ... + 156550.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 229882905 is an apocalyptic number.

It is an amenable number.

29882905 is a deficient number, since it is larger than the sum of its proper divisors (10759655).

29882905 is a wasteful number, since it uses less digits than its factorization.

29882905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 29882905 is about 5466.5258620078. The cubic root of 29882905 is about 310.3184552650.

The spelling of 29882905 in words is "twenty-nine million, eight hundred eighty-two thousand, nine hundred five".

Divisors: 1 5 13 29 65 83 145 191 377 415 955 1079 1885 2407 2483 5395 5539 12035 12415 15853 27695 31291 72007 79265 156455 206089 360035 459737 1030445 2298685 5976581 29882905