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214134389 = 7193534561
BaseRepresentation
bin11001100001101…
…10111001110101
3112220221011011022
430300312321311
5414304300024
633125350525
75210053340
oct1460667165
9486834138
10214134389
11aa967377
125b868445
1335495951
1420621457
1513bec35e
hexcc36e75

214134389 has 16 divisors (see below), whose sum is σ = 258391680. Its totient is φ = 173352960.

The previous prime is 214134379. The next prime is 214134407. The reversal of 214134389 is 983431412.

It is not a de Polignac number, because 214134389 - 220 = 213085813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214134379) 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, 44669 + ... + 49229.

It is an arithmetic number, because the mean of its divisors is an integer number (16149480).

Almost surely, 2214134389 is an apocalyptic number.

It is an amenable number.

214134389 is a deficient number, since it is larger than the sum of its proper divisors (44257291).

214134389 is a wasteful number, since it uses less digits than its factorization.

214134389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940.

The product of its digits is 20736, while the sum is 35.

The square root of 214134389 is about 14633.3314388761. The cubic root of 214134389 is about 598.2675851195.

The spelling of 214134389 in words is "two hundred fourteen million, one hundred thirty-four thousand, three hundred eighty-nine".

Divisors: 1 7 19 133 353 2471 4561 6707 31927 46949 86659 606613 1610033 11270231 30590627 214134389