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29140644 = 22313186799
BaseRepresentation
bin110111100101…
…0011010100100
32000211111110010
41233022122210
524430000034
62520330220
7502456101
oct157123244
960744403
1029140644
11154a3885
129913970
136063ab0
143c27aa8
1528593e9
hex1bca6a4

29140644 has 24 divisors (see below), whose sum is σ = 73225600. Its totient is φ = 8966304.

The previous prime is 29140637. The next prime is 29140649. The reversal of 29140644 is 44604192.

It is not an unprimeable number, because it can be changed into a prime (29140649) by changing a digit.

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, 93244 + ... + 93555.

Almost surely, 229140644 is an apocalyptic number.

It is an amenable number.

29140644 is an abundant number, since it is smaller than the sum of its proper divisors (44084956).

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

29140644 is a wasteful number, since it uses less digits than its factorization.

29140644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186819 (or 186817 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 29140644 is about 5398.2074802660. The cubic root of 29140644 is about 307.7275518411.

The spelling of 29140644 in words is "twenty-nine million, one hundred forty thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 186799 373598 560397 747196 1120794 2241588 2428387 4856774 7285161 9713548 14570322 29140644