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29745018 = 2327322637
BaseRepresentation
bin111000101110…
…1111101111010
32001222012111100
41301131331322
530103320033
62541312230
7510554112
oct161357572
961865440
1029745018
1115876966
129b65676
136215c04
143d44042
152928513
hex1c5df7a

29745018 has 24 divisors (see below), whose sum is σ = 65333268. Its totient is φ = 9778752.

The previous prime is 29745017. The next prime is 29745041. The reversal of 29745018 is 81054792.

It can be written as a sum of positive squares in 2 ways, for example, as 29517489 + 227529 = 5433^2 + 477^2 .

It is not an unprimeable number, because it can be changed into a prime (29745011) 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 11 ways as a sum of consecutive naturals, for example, 10005 + ... + 12632.

Almost surely, 229745018 is an apocalyptic number.

29745018 is an abundant number, since it is smaller than the sum of its proper divisors (35588250).

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

29745018 is a wasteful number, since it uses less digits than its factorization.

29745018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22718 (or 22715 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 29745018 is about 5453.8993390051. The cubic root of 29745018 is about 309.8404242878.

The spelling of 29745018 in words is "twenty-nine million, seven hundred forty-five thousand, eighteen".

Divisors: 1 2 3 6 9 18 73 146 219 438 657 1314 22637 45274 67911 135822 203733 407466 1652501 3305002 4957503 9915006 14872509 29745018