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29087080 = 2351166107
BaseRepresentation
bin110111011110…
…1010101101000
32000201202222021
41232331111220
524421241310
62515234224
7502143661
oct156752550
960652867
1029087080
1115467610
1298a8974
1360455b9
143c12368
1528485da
hex1bbd568

29087080 has 32 divisors (see below), whose sum is σ = 71396640. Its totient is φ = 10576960.

The previous prime is 29087063. The next prime is 29087129. The reversal of 29087080 is 8078092.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32614 + ... + 33493.

It is an arithmetic number, because the mean of its divisors is an integer number (2231145).

Almost surely, 229087080 is an apocalyptic number.

29087080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29087080 is an abundant number, since it is smaller than the sum of its proper divisors (42309560).

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

29087080 is a wasteful number, since it uses less digits than its factorization.

29087080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66129 (or 66125 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 29087080 is about 5393.2439217970. The cubic root of 29087080 is about 307.5388894785.

The spelling of 29087080 in words is "twenty-nine million, eighty-seven thousand, eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 66107 132214 264428 330535 528856 661070 727177 1322140 1454354 2644280 2908708 3635885 5817416 7271770 14543540 29087080