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29852920 = 23541109167
BaseRepresentation
bin111000111100…
…0010011111000
32002011200111201
41301320103320
530120243140
62543503544
7511513516
oct161702370
962150451
1029852920
111593aa39
129bb7bb4
136253066
143d714b6
15294a49a
hex1c784f8

29852920 has 64 divisors (see below), whose sum is σ = 69854400. Its totient is φ = 11473920.

The previous prime is 29852903. The next prime is 29852923. The reversal of 29852920 is 2925892.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29852920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29852923) 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 15 ways as a sum of consecutive naturals, for example, 178677 + ... + 178843.

It is an arithmetic number, because the mean of its divisors is an integer number (1091475).

Almost surely, 229852920 is an apocalyptic number.

29852920 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 29852920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34927200).

29852920 is an abundant number, since it is smaller than the sum of its proper divisors (40001480).

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

29852920 is a wasteful number, since it uses less digits than its factorization.

29852920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 29852920 is about 5463.7825725407. The cubic root of 29852920 is about 310.2146276436.

The spelling of 29852920 in words is "twenty-nine million, eight hundred fifty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 41 82 109 164 167 205 218 328 334 410 436 545 668 820 835 872 1090 1336 1640 1670 2180 3340 4360 4469 6680 6847 8938 13694 17876 18203 22345 27388 34235 35752 36406 44690 54776 68470 72812 89380 91015 136940 145624 178760 182030 273880 364060 728120 746323 1492646 2985292 3731615 5970584 7463230 14926460 29852920