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3788020 = 225189401
BaseRepresentation
bin1110011100110011110100
321010110012001
432130303310
51432204040
6213105044
744124535
oct16346364
97113161
103788020
112157aa5
121328184
13a28242
1470868c
154ec59a
hex39ccf4

3788020 has 12 divisors (see below), whose sum is σ = 7954884. Its totient is φ = 1515200.

The previous prime is 3788017. The next prime is 3788033. The reversal of 3788020 is 208873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 3020644 = 876^2 + 1738^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3788020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94681 + ... + 94720.

It is an arithmetic number, because the mean of its divisors is an integer number (662907).

Almost surely, 23788020 is an apocalyptic number.

It is an amenable number.

3788020 is an abundant number, since it is smaller than the sum of its proper divisors (4166864).

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

3788020 is a wasteful number, since it uses less digits than its factorization.

3788020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189410 (or 189408 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 3788020 is about 1946.2836381165. The cubic root of 3788020 is about 155.8849140227.

The spelling of 3788020 in words is "three million, seven hundred eighty-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 189401 378802 757604 947005 1894010 3788020