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29097390 = 2357138559
BaseRepresentation
bin110111011111…
…1110110101110
32000202022010010
41232333312232
524422104030
62515354050
7502216020
oct156776656
960668103
1029097390
1115474333
1298b2926
13604a1ba
143c16010
15284b6b0
hex1bbfdae

29097390 has 32 divisors (see below), whose sum is σ = 79810560. Its totient is φ = 6650784.

The previous prime is 29097377. The next prime is 29097391. The reversal of 29097390 is 9379092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29097391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69070 + ... + 69489.

It is an arithmetic number, because the mean of its divisors is an integer number (2494080).

Almost surely, 229097390 is an apocalyptic number.

29097390 is an abundant number, since it is smaller than the sum of its proper divisors (50713170).

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

29097390 is a wasteful number, since it uses less digits than its factorization.

29097390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138576.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 29097390 is about 5394.1996626006. The cubic root of 29097390 is about 307.5752212038.

The spelling of 29097390 in words is "twenty-nine million, ninety-seven thousand, three hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 138559 277118 415677 692795 831354 969913 1385590 1939826 2078385 2909739 4156770 4849565 5819478 9699130 14548695 29097390