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214823290 = 25111952939
BaseRepresentation
bin11001100110111…
…11000101111010
3112222020011011011
430303133011322
5414443321130
633152224134
75215652653
oct1463370572
9488204134
10214823290
11100297a10
125bb3b04a
1335677396
142076052a
1513cd652a
hexccdf17a

214823290 has 16 divisors (see below), whose sum is σ = 421835040. Its totient is φ = 78117520.

The previous prime is 214823267. The next prime is 214823299. The reversal of 214823290 is 92328412.

It is a super-2 number, since 2×2148232902 = 92298091852848200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214823299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976360 + ... + 976579.

It is an arithmetic number, because the mean of its divisors is an integer number (26364690).

Almost surely, 2214823290 is an apocalyptic number.

214823290 is a deficient number, since it is larger than the sum of its proper divisors (207011750).

214823290 is a wasteful number, since it uses less digits than its factorization.

214823290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952957.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 214823290 is about 14656.8512989660. The cubic root of 214823290 is about 598.9084691753.

The spelling of 214823290 in words is "two hundred fourteen million, eight hundred twenty-three thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 1952939 3905878 9764695 19529390 21482329 42964658 107411645 214823290