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29228160 = 2735131171
BaseRepresentation
bin110111101111…
…1110010000000
32000222221111110
41233133302000
524440300120
62522243320
7503302203
oct157376200
960887443
1029228160
1115553605
129956540
136094890
143c4b93a
1528752e0
hex1bdfc80

29228160 has 128 divisors (see below), whose sum is σ = 100416960. Its totient is φ = 7188480.

The previous prime is 29228141. The next prime is 29228179. The reversal of 29228160 is 6182292.

It is an interprime number because it is at equal distance from previous prime (29228141) and next prime (29228179).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24375 + ... + 25545.

Almost surely, 229228160 is an apocalyptic number.

29228160 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 29228160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50208480).

29228160 is an abundant number, since it is smaller than the sum of its proper divisors (71188800).

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

29228160 is a wasteful number, since it uses less digits than its factorization.

29228160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 29228160 is about 5406.3074274407. The cubic root of 29228160 is about 308.0353026382.

The spelling of 29228160 in words is "twenty-nine million, two hundred twenty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 260 312 320 384 390 416 480 520 624 640 780 832 960 1040 1171 1248 1560 1664 1920 2080 2342 2496 3120 3513 4160 4684 4992 5855 6240 7026 8320 9368 11710 12480 14052 15223 17565 18736 23420 24960 28104 30446 35130 37472 45669 46840 56208 60892 70260 74944 76115 91338 93680 112416 121784 140520 149888 152230 182676 187360 224832 228345 243568 281040 304460 365352 374720 449664 456690 487136 562080 608920 730704 749440 913380 974272 1124160 1217840 1461408 1826760 1948544 2248320 2435680 2922816 3653520 4871360 5845632 7307040 9742720 14614080 29228160