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211376424 = 23376789211
BaseRepresentation
bin11001001100101…
…01100100101000
3112201202000221110
430212111210220
5413103021144
632550310320
75144445540
oct1446254450
9481660843
10211376424
11a9353266
125a9583a0
1334a3b50c
1420104320
15138550b9
hexc995928

211376424 has 128 divisors (see below), whose sum is σ = 622771200. Its totient is φ = 58544640.

The previous prime is 211376423. The next prime is 211376441. The reversal of 211376424 is 424673112.

211376424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 211376391 and 211376400.

It is not an unprimeable number, because it can be changed into a prime (211376423) 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, 1001679 + ... + 1001889.

It is an arithmetic number, because the mean of its divisors is an integer number (4865400).

Almost surely, 2211376424 is an apocalyptic number.

211376424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211376424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311385600).

211376424 is an abundant number, since it is smaller than the sum of its proper divisors (411394776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211376424 is a wasteful number, since it uses less digits than its factorization.

211376424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 379 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 211376424 is about 14538.7903210687. The cubic root of 211376424 is about 595.6879963884.

The spelling of 211376424 in words is "two hundred eleven million, three hundred seventy-six thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 67 84 89 134 168 178 201 211 267 268 356 402 422 469 534 536 623 633 712 804 844 938 1068 1246 1266 1407 1477 1608 1688 1869 1876 2136 2492 2532 2814 2954 3738 3752 4431 4984 5064 5628 5908 5963 7476 8862 11256 11816 11926 14137 14952 17724 17889 18779 23852 28274 35448 35778 37558 41741 42411 47704 56337 56548 71556 75116 83482 84822 98959 112674 113096 125223 131453 143112 150232 166964 169644 197918 225348 250446 262906 296877 333928 339288 394359 395836 450696 500892 525812 593754 788718 791672 1001784 1051624 1187508 1258193 1577436 2375016 2516386 3154872 3774579 5032772 7549158 8807351 10065544 15098316 17614702 26422053 30196632 35229404 52844106 70458808 105688212 211376424