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211024340 = 225891031151
BaseRepresentation
bin11001001001111…
…11100111010100
3112201002010222022
430210333213110
5413010234330
632534552312
75141451212
oct1444774724
9481063868
10211024340
11a913278a
125a808698
1334947197
1420051cb2
15137d5ae5
hexc93f9d4

211024340 has 48 divisors (see below), whose sum is σ = 452874240. Its totient is φ = 82579200.

The previous prime is 211024337. The next prime is 211024361. The reversal of 211024340 is 43420112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182765 + ... + 183915.

It is an arithmetic number, because the mean of its divisors is an integer number (9434880).

Almost surely, 2211024340 is an apocalyptic number.

211024340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211024340 is an abundant number, since it is smaller than the sum of its proper divisors (241849900).

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

211024340 is a wasteful number, since it uses less digits than its factorization.

211024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 211024340 is about 14526.6768395253. The cubic root of 211024340 is about 595.3570721146.

Adding to 211024340 its reverse (43420112), we get a palindrome (254444452).

The spelling of 211024340 in words is "two hundred eleven million, twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 89 103 178 206 356 412 445 515 890 1030 1151 1780 2060 2302 4604 5755 9167 11510 18334 23020 36668 45835 91670 102439 118553 183340 204878 237106 409756 474212 512195 592765 1024390 1185530 2048780 2371060 10551217 21102434 42204868 52756085 105512170 211024340