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214586939 = 7375711451
BaseRepresentation
bin11001100101001…
…01011000111011
3112221210010221102
430302211120323
5414413240224
633143202015
75213646620
oct1462453073
9487703842
10214586939
11100146386
125ba4630b
13355c3928
14206dc347
1513c8b4ae
hexcca563b

214586939 has 16 divisors (see below), whose sum is σ = 252485376. Its totient is φ = 178524000.

The previous prime is 214586927. The next prime is 214586963. The reversal of 214586939 is 939685412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214586939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214586893 and 214586902.

It is not an unprimeable number, because it can be changed into a prime (214586539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147164 + ... + 148614.

It is an arithmetic number, because the mean of its divisors is an integer number (15780336).

Almost surely, 2214586939 is an apocalyptic number.

214586939 is a deficient number, since it is larger than the sum of its proper divisors (37898437).

214586939 is a wasteful number, since it uses less digits than its factorization.

214586939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066.

The product of its digits is 466560, while the sum is 47.

The square root of 214586939 is about 14648.7862637148. The cubic root of 214586939 is about 598.6887466304.

The spelling of 214586939 in words is "two hundred fourteen million, five hundred eighty-six thousand, nine hundred thirty-nine".

Divisors: 1 7 37 259 571 1451 3997 10157 21127 53687 147889 375809 828521 5799647 30655277 214586939