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29481700 = 22521132609
BaseRepresentation
bin111000001110…
…1101011100100
32001110211021211
41300131223210
530021403300
62531521204
7505406323
oct160355344
961424254
1029481700
1115707046
129a59204
1361530c1
143cb60ba
1528c54ba
hex1c1dae4

29481700 has 36 divisors (see below), whose sum is σ = 64566180. Its totient is φ = 11683840.

The previous prime is 29481691. The next prime is 29481709. The reversal of 29481700 is 718492.

It is an interprime number because it is at equal distance from previous prime (29481691) and next prime (29481709).

It can be written as a sum of positive squares in 6 ways, for example, as 6230016 + 23251684 = 2496^2 + 4822^2 .

It is not an unprimeable number, because it can be changed into a prime (29481709) 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 11 ways as a sum of consecutive naturals, for example, 9996 + ... + 12604.

It is an arithmetic number, because the mean of its divisors is an integer number (1793505).

Almost surely, 229481700 is an apocalyptic number.

29481700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29481700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32283090).

29481700 is an abundant number, since it is smaller than the sum of its proper divisors (35084480).

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

29481700 is a wasteful number, since it uses less digits than its factorization.

29481700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 29481700 is about 5429.7053327045. The cubic root of 29481700 is about 308.9234247817.

The spelling of 29481700 in words is "twenty-nine million, four hundred eighty-one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 113 226 452 565 1130 2260 2609 2825 5218 5650 10436 11300 13045 26090 52180 65225 130450 260900 294817 589634 1179268 1474085 2948170 5896340 7370425 14740850 29481700