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29880904 = 232937592
BaseRepresentation
bin111000111111…
…1001001001000
32002020002220011
41301333021020
530122142104
62544241304
7511661224
oct161771110
962202804
1029880904
1115959a69
12a010234
136262a11
143d7b784
152953904
hex1c7f248

29880904 has 48 divisors (see below), whose sum is σ = 60551100. Its totient is φ = 13797504.

The previous prime is 29880899. The next prime is 29880919. The reversal of 29880904 is 40908892.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28196100 + 1684804 = 5310^2 + 1298^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506427 + ... + 506485.

Almost surely, 229880904 is an apocalyptic number.

It is an amenable number.

29880904 is an abundant number, since it is smaller than the sum of its proper divisors (30670196).

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

29880904 is a wasteful number, since it uses less digits than its factorization.

29880904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 29880904 is about 5466.3428359370. The cubic root of 29880904 is about 310.3115286617.

The spelling of 29880904 in words is "twenty-nine million, eight hundred eighty thousand, nine hundred four".

Divisors: 1 2 4 8 29 37 58 59 74 116 118 148 232 236 296 472 1073 1711 2146 2183 3422 3481 4292 4366 6844 6962 8584 8732 13688 13924 17464 27848 63307 100949 126614 128797 201898 253228 257594 403796 506456 515188 807592 1030376 3735113 7470226 14940452 29880904