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29089128 = 2331212047
BaseRepresentation
bin110111011110…
…1110101101000
32000201212210010
41232331311220
524421323003
62515251520
7502152645
oct156756550
960655703
1029089128
1115469102
1298a9ba0
136046503
143c12dcc
152849003
hex1bbdd68

29089128 has 16 divisors (see below), whose sum is σ = 72722880. Its totient is φ = 9696368.

The previous prime is 29089087. The next prime is 29089139. The reversal of 29089128 is 82198092.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606000 + ... + 606047.

It is an arithmetic number, because the mean of its divisors is an integer number (4545180).

Almost surely, 229089128 is an apocalyptic number.

It is an amenable number.

29089128 is an abundant number, since it is smaller than the sum of its proper divisors (43633752).

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

29089128 is a wasteful number, since it uses less digits than its factorization.

29089128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212056 (or 1212052 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 29089128 is about 5393.4337856323. The cubic root of 29089128 is about 307.5461071718.

The spelling of 29089128 in words is "twenty-nine million, eighty-nine thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 1212047 2424094 3636141 4848188 7272282 9696376 14544564 29089128