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214538434 = 21123423989
BaseRepresentation
bin11001100100110…
…01100011000010
3112221200200101221
430302121203002
5414410212214
633142145254
75213355325
oct1462314302
9487620357
10214538434
111001129a0
125ba2222a
13355a7826
14206c87bc
1513c7be24
hexcc998c2

214538434 has 16 divisors (see below), whose sum is σ = 366327360. Its totient is φ = 93277360.

The previous prime is 214538431. The next prime is 214538447. The reversal of 214538434 is 434835412.

It is a self number, because there is not a number n which added to its sum of digits gives 214538434.

It is not an unprimeable number, because it can be changed into a prime (214538431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211489 + ... + 212500.

It is an arithmetic number, because the mean of its divisors is an integer number (22895460).

Almost surely, 2214538434 is an apocalyptic number.

214538434 is a deficient number, since it is larger than the sum of its proper divisors (151788926).

214538434 is a wasteful number, since it uses less digits than its factorization.

214538434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424025.

The product of its digits is 46080, while the sum is 34.

The square root of 214538434 is about 14647.1305722315. The cubic root of 214538434 is about 598.6436342452.

The spelling of 214538434 in words is "two hundred fourteen million, five hundred thirty-eight thousand, four hundred thirty-four".

Divisors: 1 2 11 22 23 46 253 506 423989 847978 4663879 9327758 9751747 19503494 107269217 214538434