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211032016 = 241317371613
BaseRepresentation
bin11001001010000…
…01011111010000
3112201002112111121
430211001133100
5413011011031
632535052024
75141512456
oct1445013720
9481075447
10211032016
11a9138528
125a811014
133494a820
14200549d6
15137d8011
hexc9417d0

211032016 has 80 divisors (see below), whose sum is σ = 479125584. Its totient is φ = 89137152.

The previous prime is 211032011. The next prime is 211032023. The reversal of 211032016 is 610230112.

It can be written as a sum of positive squares in 8 ways, for example, as 12222016 + 198810000 = 3496^2 + 14100^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211032011) 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, 130026 + ... + 131638.

Almost surely, 2211032016 is an apocalyptic number.

211032016 is a gapful number since it is divisible by the number (26) 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 211032016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239562792).

211032016 is an abundant number, since it is smaller than the sum of its proper divisors (268093568).

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

211032016 is a wasteful number, since it uses less digits than its factorization.

211032016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 211032016 is about 14526.9410407009. The cubic root of 211032016 is about 595.3642907218.

Adding to 211032016 its reverse (610230112), we get a palindrome (821262128).

The spelling of 211032016 in words is "two hundred eleven million, thirty-two thousand, sixteen".

Divisors: 1 2 4 8 13 16 17 26 34 37 52 68 74 104 136 148 208 221 272 296 442 481 592 629 884 962 1258 1613 1768 1924 2516 3226 3536 3848 5032 6452 7696 8177 10064 12904 16354 20969 25808 27421 32708 41938 54842 59681 65416 83876 109684 119362 130832 167752 219368 238724 335504 356473 438736 477448 712946 775853 954896 1014577 1425892 1551706 2029154 2851784 3103412 4058308 5703568 6206824 8116616 12413648 13189501 16233232 26379002 52758004 105516008 211032016