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214311888 = 2432734339
BaseRepresentation
bin11001100011000…
…10001111010000
3112221021011122100
430301202033100
5414330440023
633133240400
75211423000
oct1461421720
9487234570
10214311888
11aaa7876a
125b933100
133552868b
142066a000
1513c34c43
hexcc623d0

214311888 has 120 divisors (see below), whose sum is σ = 699608000. Its totient is φ = 61217856.

The previous prime is 214311883. The next prime is 214311917. The reversal of 214311888 is 888113412.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214311883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47223 + ... + 51561.

Almost surely, 2214311888 is an apocalyptic number.

214311888 is a gapful number since it is divisible by the number (28) 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 214311888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349804000).

214311888 is an abundant number, since it is smaller than the sum of its proper divisors (485296112).

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

214311888 is a wasteful number, since it uses less digits than its factorization.

214311888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374 (or 4351 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 214311888 is about 14639.3950694692. The cubic root of 214311888 is about 598.4328435985.

The spelling of 214311888 in words is "two hundred fourteen million, three hundred eleven thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 343 392 441 504 588 686 784 882 1008 1029 1176 1372 1764 2058 2352 2744 3087 3528 4116 4339 5488 6174 7056 8232 8678 12348 13017 16464 17356 24696 26034 30373 34712 39051 49392 52068 60746 69424 78102 91119 104136 121492 156204 182238 208272 212611 242984 273357 312408 364476 425222 485968 546714 624816 637833 728952 850444 1093428 1275666 1457904 1488277 1700888 1913499 2186856 2551332 2976554 3401776 3826998 4373712 4464831 5102664 5953108 7653996 8929662 10205328 11906216 13394493 15307992 17859324 23812432 26788986 30615984 35718648 53577972 71437296 107155944 214311888