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29487130 = 252948713
BaseRepresentation
bin111000001111…
…1000000011010
32001111002201221
41300133000122
530022042010
62532002254
7505431211
oct160370032
961432657
1029487130
1115710132
129a6038a
13615570a
143cb8078
1528c6dda
hex1c1f01a

29487130 has 8 divisors (see below), whose sum is σ = 53076852. Its totient is φ = 11794848.

The previous prime is 29487089. The next prime is 29487131. The reversal of 29487130 is 3178492.

It can be written as a sum of positive squares in 2 ways, for example, as 28826161 + 660969 = 5369^2 + 813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (29487131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474347 + ... + 1474366.

Almost surely, 229487130 is an apocalyptic number.

29487130 is a deficient number, since it is larger than the sum of its proper divisors (23589722).

29487130 is a wasteful number, since it uses less digits than its factorization.

29487130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948720.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 29487130 is about 5430.2053368174. The cubic root of 29487130 is about 308.9423896675.

The spelling of 29487130 in words is "twenty-nine million, four hundred eighty-seven thousand, one hundred thirty".

Divisors: 1 2 5 10 2948713 5897426 14743565 29487130