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214909959 = 31110959747
BaseRepresentation
bin11001100111101…
…00010000000111
3112222101120001010
430303310100013
5420004104314
633154133303
75216463435
oct1463642007
9488346033
10214909959
11100347040
125bb81233
13356a7974
1420783d55
1513d02059
hexccf4407

214909959 has 16 divisors (see below), whose sum is σ = 315469440. Its totient is φ = 129051360.

The previous prime is 214909957. The next prime is 214909967. The reversal of 214909959 is 959909412.

It is not a de Polignac number, because 214909959 - 21 = 214909957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214909957) 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 15 ways as a sum of consecutive naturals, for example, 26277 + ... + 33470.

It is an arithmetic number, because the mean of its divisors is an integer number (19716840).

Almost surely, 2214909959 is an apocalyptic number.

214909959 is a deficient number, since it is larger than the sum of its proper divisors (100559481).

214909959 is a wasteful number, since it uses less digits than its factorization.

214909959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59870.

The product of its (nonzero) digits is 262440, while the sum is 48.

The square root of 214909959 is about 14659.8076044674. The cubic root of 214909959 is about 598.9890002003.

The spelling of 214909959 in words is "two hundred fourteen million, nine hundred nine thousand, nine hundred fifty-nine".

Divisors: 1 3 11 33 109 327 1199 3597 59747 179241 657217 1971651 6512423 19537269 71636653 214909959