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4131020 = 225206551
BaseRepresentation
bin1111110000100011001100
321202212200202
433300203030
52024143040
6224313032
750053535
oct17604314
97685622
104131020
112371773
121472778
13b183ba
1479768c
15569015
hex3f08cc

4131020 has 12 divisors (see below), whose sum is σ = 8675184. Its totient is φ = 1652400.

The previous prime is 4130977. The next prime is 4131031. The reversal of 4131020 is 201314.

It is a happy number.

4131020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4130992 and 4131010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103256 + ... + 103295.

It is an arithmetic number, because the mean of its divisors is an integer number (722932).

Almost surely, 24131020 is an apocalyptic number.

It is an amenable number.

4131020 is an abundant number, since it is smaller than the sum of its proper divisors (4544164).

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

4131020 is a wasteful number, since it uses less digits than its factorization.

4131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206560 (or 206558 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 4131020 is about 2032.4910823913. The cubic root of 4131020 is about 160.4546961804.

Adding to 4131020 its reverse (201314), we get a palindrome (4332334).

The spelling of 4131020 in words is "four million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 206551 413102 826204 1032755 2065510 4131020