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29339980 = 2251466999
BaseRepresentation
bin110111111101…
…1000101001100
32001012121212221
41233323011030
530002334410
62524505124
7504246205
oct157730514
961177787
1029339980
111561a61a
1299ab1a4
136103747
143c7a5ac
1528984da
hex1bfb14c

29339980 has 12 divisors (see below), whose sum is σ = 61614000. Its totient is φ = 11735984.

The previous prime is 29339957. The next prime is 29339987. The reversal of 29339980 is 8993392.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (29339987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733480 + ... + 733519.

It is an arithmetic number, because the mean of its divisors is an integer number (5134500).

Almost surely, 229339980 is an apocalyptic number.

29339980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29339980 is an abundant number, since it is smaller than the sum of its proper divisors (32274020).

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

29339980 is a wasteful number, since it uses less digits than its factorization.

29339980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467008 (or 1467006 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 29339980 is about 5416.6391794174. The cubic root of 29339980 is about 308.4276260591.

The spelling of 29339980 in words is "twenty-nine million, three hundred thirty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1466999 2933998 5867996 7334995 14669990 29339980