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29479700 = 22521717341
BaseRepresentation
bin111000001110…
…1001100010100
32001110201112202
41300131030110
530021322300
62531504032
7505400435
oct160351424
961421482
1029479700
1115705598
129a58018
136152213
143cb548c
1528c4ad5
hex1c1d314

29479700 has 36 divisors (see below), whose sum is σ = 67737852. Its totient is φ = 11097600.

The previous prime is 29479693. The next prime is 29479711. The reversal of 29479700 is 797492.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1643524 + 27836176 = 1282^2 + 5276^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6971 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (1881607).

Almost surely, 229479700 is an apocalyptic number.

29479700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29479700 is an abundant number, since it is smaller than the sum of its proper divisors (38258152).

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

29479700 is a wasteful number, since it uses less digits than its factorization.

29479700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17372 (or 17365 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 29479700 is about 5429.5211575239. The cubic root of 29479700 is about 308.9164389699.

The spelling of 29479700 in words is "twenty-nine million, four hundred seventy-nine thousand, seven hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 17341 34682 69364 86705 173410 294797 346820 433525 589594 867050 1179188 1473985 1734100 2947970 5895940 7369925 14739850 29479700