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3928192 = 2730689
BaseRepresentation
bin1110111111000010000000
321101120110121
432333002000
52001200232
6220110024
745250312
oct16770200
97346417
103928192
112243344
121395314
13a76c98
147437b2
15528d97
hex3bf080

3928192 has 16 divisors (see below), whose sum is σ = 7825950. Its totient is φ = 1964032.

The previous prime is 3928189. The next prime is 3928229. The reversal of 3928192 is 2918293.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 1784896 = 1464^2 + 1336^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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, 15217 + ... + 15472.

Almost surely, 23928192 is an apocalyptic number.

3928192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3928192 is a deficient number, since it is larger than the sum of its proper divisors (3897758).

3928192 is an equidigital number, since it uses as much as digits as its factorization.

3928192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30703 (or 30691 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 3928192 is about 1981.9667000230. The cubic root of 3928192 is about 157.7844628230.

It can be divided in two parts, 392 and 8192, that multiplied together give a square (3211264 = 17922).

The spelling of 3928192 in words is "three million, nine hundred twenty-eight thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 128 30689 61378 122756 245512 491024 982048 1964096 3928192