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20552411 = 113160271
BaseRepresentation
bin100111001100…
…1101011011011
31102200011121102
41032121223123
520230134121
62012302015
7336456365
oct116315333
942604542
1020552411
1110668370
126a7190b
1343479b9
142a2dd35
151c0e90b
hex1399adb

20552411 has 8 divisors (see below), whose sum is σ = 23144448. Its totient is φ = 18081000.

The previous prime is 20552359. The next prime is 20552417. The reversal of 20552411 is 11425502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20552411 - 210 = 20551387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20552417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29795 + ... + 30476.

It is an arithmetic number, because the mean of its divisors is an integer number (2893056).

Almost surely, 220552411 is an apocalyptic number.

20552411 is a deficient number, since it is larger than the sum of its proper divisors (2592037).

20552411 is a wasteful number, since it uses less digits than its factorization.

20552411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60313.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 20552411 is about 4533.4767011644. The cubic root of 20552411 is about 273.9182228827.

Adding to 20552411 its reverse (11425502), we get a palindrome (31977913).

The spelling of 20552411 in words is "twenty million, five hundred fifty-two thousand, four hundred eleven".

Divisors: 1 11 31 341 60271 662981 1868401 20552411