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211441342 = 2717888409
BaseRepresentation
bin11001001101001…
…01011010111110
3112201212022222211
430212211122332
5413112110332
632551531034
75145136030
oct1446453276
9481768884
10211441342
11a9398012
125a989a7a
1334a61c28
142011dc50
1513869447
hexc9a56be

211441342 has 16 divisors (see below), whose sum is σ = 383793120. Its totient is φ = 85287168.

The previous prime is 211441333. The next prime is 211441357. The reversal of 211441342 is 243144112.

It is a happy number.

It is a super-2 number, since 2×2114413422 = 89414882213521928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443967 + ... + 444442.

It is an arithmetic number, because the mean of its divisors is an integer number (23987070).

Almost surely, 2211441342 is an apocalyptic number.

211441342 is a deficient number, since it is larger than the sum of its proper divisors (172351778).

211441342 is a wasteful number, since it uses less digits than its factorization.

211441342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888435.

The product of its digits is 768, while the sum is 22.

The square root of 211441342 is about 14541.0227288179. The cubic root of 211441342 is about 595.7489727805.

Adding to 211441342 its reverse (243144112), we get a palindrome (454585454).

The spelling of 211441342 in words is "two hundred eleven million, four hundred forty-one thousand, three hundred forty-two".

Divisors: 1 2 7 14 17 34 119 238 888409 1776818 6218863 12437726 15102953 30205906 105720671 211441342