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214243392 = 26311192281
BaseRepresentation
bin11001100010100…
…01100001000000
3112221010200200110
430301101201000
5414321242032
633131551320
75211016206
oct1461214100
9487120613
10214243392
11aaa31260
125b8bb540
133550344c
142064d076
1513c1e7cc
hexcc51840

214243392 has 168 divisors, whose sum is σ = 654966432. Its totient is φ = 61286400.

The previous prime is 214243361. The next prime is 214243429. The reversal of 214243392 is 293342412.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 762292 + ... + 762572.

Almost surely, 2214243392 is an apocalyptic number.

214243392 is a gapful number since it is divisible by the number (22) 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 214243392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327483216).

214243392 is an abundant number, since it is smaller than the sum of its proper divisors (440723040).

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

214243392 is a wasteful number, since it uses less digits than its factorization.

214243392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 316 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 214243392 is about 14637.0554415839. The cubic root of 214243392 is about 598.3690819718.

The spelling of 214243392 in words is "two hundred fourteen million, two hundred forty-three thousand, three hundred ninety-two".