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3952420 = 225197621
BaseRepresentation
bin1111000100111100100100
321102210200221
433010330210
52002434140
6220414124
745411043
oct17047444
97383627
103952420
11225a56a
1213a7344
13a85014
1474c55a
1553114a
hex3c4f24

3952420 has 12 divisors (see below), whose sum is σ = 8300124. Its totient is φ = 1580960.

The previous prime is 3952393. The next prime is 3952423. The reversal of 3952420 is 242593.

It is a happy number.

3952420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2611456 + 1340964 = 1616^2 + 1158^2 .

It is not an unprimeable number, because it can be changed into a prime (3952423) by changing a digit.

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, 98791 + ... + 98830.

It is an arithmetic number, because the mean of its divisors is an integer number (691677).

Almost surely, 23952420 is an apocalyptic number.

It is an amenable number.

3952420 is an abundant number, since it is smaller than the sum of its proper divisors (4347704).

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

3952420 is a wasteful number, since it uses less digits than its factorization.

3952420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197630 (or 197628 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3952420 is about 1988.0694152871. The cubic root of 3952420 is about 158.1081884672.

The spelling of 3952420 in words is "three million, nine hundred fifty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 197621 395242 790484 988105 1976210 3952420