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214418694 = 2379752631
BaseRepresentation
bin11001100011111…
…00010100000110
3112221110121011010
430301330110012
5414342344234
633135423050
75212346250
oct1461742406
9487417133
10214418694
11100040a36
125b984a86
1335565189
1420696cd0
1513c566e9
hexcc7c506

214418694 has 32 divisors (see below), whose sum is σ = 495161856. Its totient is φ = 60629760.

The previous prime is 214418689. The next prime is 214418707. The reversal of 214418694 is 496814412.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22242 + ... + 30389.

It is an arithmetic number, because the mean of its divisors is an integer number (15473808).

Almost surely, 2214418694 is an apocalyptic number.

214418694 is an abundant number, since it is smaller than the sum of its proper divisors (280743162).

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

214418694 is a wasteful number, since it uses less digits than its factorization.

214418694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52740.

The product of its digits is 55296, while the sum is 39.

The square root of 214418694 is about 14643.0425117187. The cubic root of 214418694 is about 598.5322401741.

It can be divided in two parts, 21441 and 8694, that added together give a triangular number (30135 = T245).

The spelling of 214418694 in words is "two hundred fourteen million, four hundred eighteen thousand, six hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 97 194 291 582 679 1358 2037 4074 52631 105262 157893 315786 368417 736834 1105251 2210502 5105207 10210414 15315621 30631242 35736449 71472898 107209347 214418694