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29702940 = 22351313779
BaseRepresentation
bin111000101001…
…1101100011100
32001220001202220
41301103230130
530100443230
62540345340
7510320331
oct161235434
961801686
1029702940
1115848293
129b45250
1361cca07
143d32988
15291ad10
hex1c53b1c

29702940 has 48 divisors (see below), whose sum is σ = 83825280. Its totient is φ = 7858240.

The previous prime is 29702923. The next prime is 29702951. The reversal of 29702940 is 4920792.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5971 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 229702940 is an apocalyptic number.

29702940 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 29702940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41912640).

29702940 is an abundant number, since it is smaller than the sum of its proper divisors (54122340).

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

29702940 is a wasteful number, since it uses less digits than its factorization.

29702940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922 (or 3920 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 29702940 is about 5450.0403668230. The cubic root of 29702940 is about 309.6942528302.

The spelling of 29702940 in words is "twenty-nine million, seven hundred two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 131 262 393 524 655 786 1310 1572 1965 2620 3779 3930 7558 7860 11337 15116 18895 22674 37790 45348 56685 75580 113370 226740 495049 990098 1485147 1980196 2475245 2970294 4950490 5940588 7425735 9900980 14851470 29702940