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29838120 = 23351331617
BaseRepresentation
bin111000111010…
…0101100101000
32002010221012120
41301310230220
530114304440
62543311240
7511422414
oct161645450
962127176
1029838120
111592a904
129bab520
1362493c0
143d69d44
152945dd0
hex1c74b28

29838120 has 128 divisors (see below), whose sum is σ = 99671040. Its totient is φ = 7096320.

The previous prime is 29838103. The next prime is 29838121. The reversal of 29838120 is 2183892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29838121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48052 + ... + 48668.

It is an arithmetic number, because the mean of its divisors is an integer number (778680).

Almost surely, 229838120 is an apocalyptic number.

29838120 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 29838120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49835520).

29838120 is an abundant number, since it is smaller than the sum of its proper divisors (69832920).

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

29838120 is a wasteful number, since it uses less digits than its factorization.

29838120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 29838120 is about 5462.4280315625. The cubic root of 29838120 is about 310.1633547652.

The spelling of 29838120 in words is "twenty-nine million, eight hundred thirty-eight thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 31 39 40 52 60 62 65 78 93 104 120 124 130 155 156 186 195 248 260 310 312 372 390 403 465 520 617 620 744 780 806 930 1209 1234 1240 1560 1612 1851 1860 2015 2418 2468 3085 3224 3702 3720 4030 4836 4936 6045 6170 7404 8021 8060 9255 9672 12090 12340 14808 16042 16120 18510 19127 24063 24180 24680 32084 37020 38254 40105 48126 48360 57381 64168 74040 76508 80210 95635 96252 114762 120315 153016 160420 191270 192504 229524 240630 248651 286905 320840 382540 459048 481260 497302 573810 745953 765080 962520 994604 1147620 1243255 1491906 1989208 2295240 2486510 2983812 3729765 4973020 5967624 7459530 9946040 14919060 29838120