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4025378 = 271937409
BaseRepresentation
bin1111010110110000100010
321120111210002
433112300202
52012303003
6222140002
746133540
oct17266042
97514702
104025378
1122aa365
121421602
13aac2a6
1476ad90
15547a88
hex3d6c22

4025378 has 32 divisors (see below), whose sum is σ = 7478400. Its totient is φ = 1586304.

The previous prime is 4025377. The next prime is 4025387. The reversal of 4025378 is 8735204.

It is a happy number.

4025378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4025378.

It is not an unprimeable number, because it can be changed into a prime (4025377) 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 15 ways as a sum of consecutive naturals, for example, 9638 + ... + 10046.

It is an arithmetic number, because the mean of its divisors is an integer number (233700).

Almost surely, 24025378 is an apocalyptic number.

4025378 is a deficient number, since it is larger than the sum of its proper divisors (3453022).

4025378 is a wasteful number, since it uses less digits than its factorization.

4025378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 4025378 is about 2006.3344686268. The cubic root of 4025378 is about 159.0751065862.

The spelling of 4025378 in words is "four million, twenty-five thousand, three hundred seventy-eight".

Divisors: 1 2 7 14 19 37 38 74 133 259 266 409 518 703 818 1406 2863 4921 5726 7771 9842 15133 15542 30266 54397 105931 108794 211862 287527 575054 2012689 4025378