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212524104 = 23313681167
BaseRepresentation
bin11001010101011…
…01110001001000
3112210220100021010
430222231301020
5413401232404
633031043520
75160265542
oct1452556110
9483810233
10212524104
11a9a67561
125b2105a0
1335050a10
1420322692
15139d0189
hexcaadc48

212524104 has 32 divisors (see below), whose sum is σ = 572181120. Its totient is φ = 65391936.

The previous prime is 212524057. The next prime is 212524111. The reversal of 212524104 is 401425212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340272 + ... + 340895.

It is an arithmetic number, because the mean of its divisors is an integer number (17880660).

Almost surely, 2212524104 is an apocalyptic number.

212524104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212524104 is an abundant number, since it is smaller than the sum of its proper divisors (359657016).

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

212524104 is a wasteful number, since it uses less digits than its factorization.

212524104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681189 (or 681185 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 212524104 is about 14578.2064740489. The cubic root of 212524104 is about 596.7641580274.

Adding to 212524104 its reverse (401425212), we get a palindrome (613949316).

The spelling of 212524104 in words is "two hundred twelve million, five hundred twenty-four thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 681167 1362334 2043501 2724668 4087002 5449336 8174004 8855171 16348008 17710342 26565513 35420684 53131026 70841368 106262052 212524104