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20892452 = 2274118199
BaseRepresentation
bin100111110110…
…0101100100100
31110022110001112
41033230230210
520322024302
62023444152
7342403640
oct117545444
943273045
1020892452
111087a899
126bb6658
1344366c9
142abbc20
151c7a552
hex13ecb24

20892452 has 24 divisors (see below), whose sum is σ = 42806400. Its totient is φ = 8735040.

The previous prime is 20892433. The next prime is 20892463. The reversal of 20892452 is 25429802.

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, 7952 + ... + 10247.

It is an arithmetic number, because the mean of its divisors is an integer number (1783600).

Almost surely, 220892452 is an apocalyptic number.

It is an amenable number.

20892452 is an abundant number, since it is smaller than the sum of its proper divisors (21913948).

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

20892452 is a wasteful number, since it uses less digits than its factorization.

20892452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18251 (or 18249 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 20892452 is about 4570.8261835252. The cubic root of 20892452 is about 275.4206323176.

The spelling of 20892452 in words is "twenty million, eight hundred ninety-two thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 18199 36398 72796 127393 254786 509572 746159 1492318 2984636 5223113 10446226 20892452