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29055930 = 2351815351
BaseRepresentation
bin110111011010…
…1101110111010
32000200012020120
41232311232322
524414242210
62514434110
7501654111
oct156655672
960605216
1029055930
1115446172
129892936
136034377
143c04c78
15283e270
hex1bb5bba

29055930 has 32 divisors (see below), whose sum is σ = 70132608. Its totient is φ = 7704000.

The previous prime is 29055911. The next prime is 29055937. The reversal of 29055930 is 3955092.

It is a junction number, because it is equal to n+sod(n) for n = 29055891 and 29055900.

It is not an unprimeable number, because it can be changed into a prime (29055937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2755 + ... + 8105.

It is an arithmetic number, because the mean of its divisors is an integer number (2191644).

Almost surely, 229055930 is an apocalyptic number.

29055930 is an abundant number, since it is smaller than the sum of its proper divisors (41076678).

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

29055930 is a wasteful number, since it uses less digits than its factorization.

29055930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 29055930 is about 5390.3552758608. The cubic root of 29055930 is about 307.4290668563.

The spelling of 29055930 in words is "twenty-nine million, fifty-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 181 362 543 905 1086 1810 2715 5351 5430 10702 16053 26755 32106 53510 80265 160530 968531 1937062 2905593 4842655 5811186 9685310 14527965 29055930