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214130865 = 35135320719
BaseRepresentation
bin11001100001101…
…10000010110001
3112220220222022210
430300312002301
5414304141430
633125322333
75210040144
oct1460660261
9486828283
10214130865
11aa964763
125b8663a9
1335494170
142062005b
1513beb2b0
hexcc360b1

214130865 has 32 divisors (see below), whose sum is σ = 375943680. Its totient is φ = 103424256.

The previous prime is 214130837. The next prime is 214130869. The reversal of 214130865 is 568031412.

It is not a de Polignac number, because 214130865 - 27 = 214130737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214130869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25 + ... + 20694.

It is an arithmetic number, because the mean of its divisors is an integer number (11748240).

Almost surely, 2214130865 is an apocalyptic number.

It is an amenable number.

214130865 is a deficient number, since it is larger than the sum of its proper divisors (161812815).

214130865 is a wasteful number, since it uses less digits than its factorization.

214130865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20793.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 214130865 is about 14633.2110283423. The cubic root of 214130865 is about 598.2643032139.

The spelling of 214130865 in words is "two hundred fourteen million, one hundred thirty thousand, eight hundred sixty-five".

Divisors: 1 3 5 13 15 39 53 65 159 195 265 689 795 2067 3445 10335 20719 62157 103595 269347 310785 808041 1098107 1346735 3294321 4040205 5490535 14275391 16471605 42826173 71376955 214130865