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29061988 = 2239718301
BaseRepresentation
bin110111011011…
…1001101100100
32000200111112221
41232313031210
524414440423
62514522124
7502010554
oct156671544
960614487
1029061988
111544a77a
129896344
136037057
143c07164
152840e5d
hex1bb7364

29061988 has 12 divisors (see below), whose sum is σ = 50989372. Its totient is φ = 14493600.

The previous prime is 29061961. The next prime is 29061997. The reversal of 29061988 is 88916092.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7606564 + 21455424 = 2758^2 + 4632^2 .

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, 7563 + ... + 10738.

Almost surely, 229061988 is an apocalyptic number.

It is an amenable number.

29061988 is a deficient number, since it is larger than the sum of its proper divisors (21927384).

29061988 is a wasteful number, since it uses less digits than its factorization.

29061988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18702 (or 18700 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 29061988 is about 5390.9171761399. The cubic root of 29061988 is about 307.4504311225.

The spelling of 29061988 in words is "twenty-nine million, sixty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 397 794 1588 18301 36602 73204 7265497 14530994 29061988