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214784070 = 2357159469
BaseRepresentation
bin11001100110101…
…01100001000110
3112222011011100120
430303111201012
5414441042240
633151322410
75215430424
oct1463254106
9488134316
10214784070
111002704a6
125bb20406
1335662587
1420750114
1513cc9ad0
hexccd5846

214784070 has 16 divisors (see below), whose sum is σ = 515481840. Its totient is φ = 57275744.

The previous prime is 214784047. The next prime is 214784077. The reversal of 214784070 is 70487412.

It is a super-2 number, since 2×2147840702 = 92264393451529800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214784077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3579705 + ... + 3579764.

It is an arithmetic number, because the mean of its divisors is an integer number (32217615).

Almost surely, 2214784070 is an apocalyptic number.

214784070 is an abundant number, since it is smaller than the sum of its proper divisors (300697770).

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

214784070 is a wasteful number, since it uses less digits than its factorization.

214784070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159479.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 214784070 is about 14655.5132970497. The cubic root of 214784070 is about 598.8720196516.

The spelling of 214784070 in words is "two hundred fourteen million, seven hundred eighty-four thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 7159469 14318938 21478407 35797345 42956814 71594690 107392035 214784070