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20548452 = 2231712371
BaseRepresentation
bin100111001100…
…0101101100100
31102122222011210
41032120231210
520230022302
62012231420
7336442011
oct116305544
942588153
1020548452
11106653a1
126a6b570
134345c62
142a2c708
151c0d66c
hex1398b64

20548452 has 12 divisors (see below), whose sum is σ = 47946416. Its totient is φ = 6849480.

The previous prime is 20548439. The next prime is 20548459. The reversal of 20548452 is 25484502.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20548459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856174 + ... + 856197.

Almost surely, 220548452 is an apocalyptic number.

It is an amenable number.

20548452 is an abundant number, since it is smaller than the sum of its proper divisors (27397964).

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

20548452 is a wasteful number, since it uses less digits than its factorization.

20548452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712378 (or 1712376 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 20548452 is about 4533.0400395320. The cubic root of 20548452 is about 273.9006335127.

The spelling of 20548452 in words is "twenty million, five hundred forty-eight thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 1712371 3424742 5137113 6849484 10274226 20548452