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20952192 = 27354563
BaseRepresentation
bin100111111101…
…1010010000000
31110102111000010
41033323102000
520330432232
62025024520
7343043052
oct117732200
943374003
1020952192
1110910768
127025140
134457961
142ad58d2
151c8d0cc
hex13fb480

20952192 has 32 divisors (see below), whose sum is σ = 55655280. Its totient is φ = 6983936.

The previous prime is 20952179. The next prime is 20952199. The reversal of 20952192 is 29125902.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (20952199) 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, 26898 + ... + 27665.

Almost surely, 220952192 is an apocalyptic number.

It is an amenable number.

20952192 is an abundant number, since it is smaller than the sum of its proper divisors (34703088).

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

20952192 is an equidigital number, since it uses as much as digits as its factorization.

20952192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54580 (or 54568 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 20952192 is about 4577.3564423147. The cubic root of 20952192 is about 275.6828956285.

The spelling of 20952192 in words is "twenty million, nine hundred fifty-two thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 54563 109126 163689 218252 327378 436504 654756 873008 1309512 1746016 2619024 3492032 5238048 6984064 10476096 20952192