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214684190 = 2572438131
BaseRepresentation
bin11001100101111…
…01001000011110
3112221222002100022
430302331020132
5414424343230
633145232142
75214533300
oct1462751036
9487862308
10214684190
11100202456
125ba92652
1335628c86
1420725970
1513caa1e5
hexccbd21e

214684190 has 24 divisors (see below), whose sum is σ = 449523432. Its totient is φ = 73605840.

The previous prime is 214684189. The next prime is 214684199. The reversal of 214684190 is 91486412.

It is a happy number.

It is a super-2 number, since 2×2146841902 = 92178602871912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 214684190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214684199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218576 + ... + 219555.

It is an arithmetic number, because the mean of its divisors is an integer number (18730143).

Almost surely, 2214684190 is an apocalyptic number.

214684190 is an abundant number, since it is smaller than the sum of its proper divisors (234839242).

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

214684190 is a wasteful number, since it uses less digits than its factorization.

214684190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438152 (or 438145 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 214684190 is about 14652.1053094769. The cubic root of 214684190 is about 598.7791750696.

The spelling of 214684190 in words is "two hundred fourteen million, six hundred eighty-four thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 438131 876262 2190655 3066917 4381310 6133834 15334585 21468419 30669170 42936838 107342095 214684190