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29369140 = 2251468457
BaseRepresentation
bin111000000001…
…0001100110100
32001021002212221
41300002030310
530004303030
62525252124
7504430213
oct160021464
961232787
1029369140
111563a519
129a04044
136113ab8
143c8707a
1528a1e7a
hex1c02334

29369140 has 12 divisors (see below), whose sum is σ = 61675236. Its totient is φ = 11747648.

The previous prime is 29369113. The next prime is 29369143. The reversal of 29369140 is 4196392.

It can be written as a sum of positive squares in 2 ways, for example, as 22619536 + 6749604 = 4756^2 + 2598^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29369096 and 29369105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29369143) 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, 734209 + ... + 734248.

It is an arithmetic number, because the mean of its divisors is an integer number (5139603).

Almost surely, 229369140 is an apocalyptic number.

29369140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29369140 is an abundant number, since it is smaller than the sum of its proper divisors (32306096).

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

29369140 is a wasteful number, since it uses less digits than its factorization.

29369140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468466 (or 1468464 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 29369140 is about 5419.3302169180. The cubic root of 29369140 is about 308.5297707742.

The spelling of 29369140 in words is "twenty-nine million, three hundred sixty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1468457 2936914 5873828 7342285 14684570 29369140