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29055890 = 2517672551
BaseRepresentation
bin110111011010…
…1101110010010
32000200012012002
41232311232102
524414242030
62514434002
7501654023
oct156655622
960605162
1029055890
1115446136
129892902
136034346
143c04c4a
15283e245
hex1bb5b92

29055890 has 32 divisors (see below), whose sum is σ = 56225664. Its totient is φ = 10771200.

The previous prime is 29055853. The next prime is 29055899. The reversal of 29055890 is 9855092.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (29055899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10115 + ... + 12665.

It is an arithmetic number, because the mean of its divisors is an integer number (1757052).

Almost surely, 229055890 is an apocalyptic number.

29055890 is a deficient number, since it is larger than the sum of its proper divisors (27169774).

29055890 is a wasteful number, since it uses less digits than its factorization.

29055890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 29055890 is about 5390.3515655289. The cubic root of 29055890 is about 307.4289257816.

The spelling of 29055890 in words is "twenty-nine million, fifty-five thousand, eight hundred ninety".

Divisors: 1 2 5 10 17 34 67 85 134 170 335 670 1139 2278 2551 5102 5695 11390 12755 25510 43367 86734 170917 216835 341834 433670 854585 1709170 2905589 5811178 14527945 29055890