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20128352 = 25629011
BaseRepresentation
bin100110011001…
…0001001100000
31101212121220112
41030302021200
520123101402
61555230452
7333042146
oct114621140
941777815
1020128352
11103a8802
1268a8428
13422998a
14295d596
151b78e52
hex1332260

20128352 has 12 divisors (see below), whose sum is σ = 39627756. Its totient is φ = 10064160.

The previous prime is 20128337. The next prime is 20128369. The reversal of 20128352 is 25382102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314474 + ... + 314537.

It is an arithmetic number, because the mean of its divisors is an integer number (3302313).

Almost surely, 220128352 is an apocalyptic number.

It is an amenable number.

20128352 is a deficient number, since it is larger than the sum of its proper divisors (19499404).

20128352 is an equidigital number, since it uses as much as digits as its factorization.

20128352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629021 (or 629013 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20128352 is about 4486.4631949900. The cubic root of 20128352 is about 272.0211921205.

The spelling of 20128352 in words is "twenty million, one hundred twenty-eight thousand, three hundred fifty-two".

Divisors: 1 2 4 8 16 32 629011 1258022 2516044 5032088 10064176 20128352