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29800130 = 254496637
BaseRepresentation
bin111000110101…
…1011011000010
32002002000002112
41301223123002
530112101010
62542415322
7511203563
oct161533302
962060075
1029800130
1115904308
129b91542
136235019
143d5a16a
152939a05
hex1c6b6c2

29800130 has 16 divisors (see below), whose sum is σ = 53767800. Its totient is φ = 11891712.

The previous prime is 29800129. The next prime is 29800171. The reversal of 29800130 is 3100892.

29800130 = T116 + T117 + ... + T564.

It can be written as a sum of positive squares in 4 ways, for example, as 16265089 + 13535041 = 4033^2 + 3679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29800096 and 29800105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172 + ... + 7808.

Almost surely, 229800130 is an apocalyptic number.

29800130 is a deficient number, since it is larger than the sum of its proper divisors (23967670).

29800130 is a wasteful number, since it uses less digits than its factorization.

29800130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 29800130 is about 5458.9495326482. The cubic root of 29800130 is about 310.0316651664.

The spelling of 29800130 in words is "twenty-nine million, eight hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 449 898 2245 4490 6637 13274 33185 66370 2980013 5960026 14900065 29800130