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39478228674 = 2318733512923
BaseRepresentation
bin100100110001000101…
…011111011011000010
310202220022020210210120
4210301011133123002
51121322411304144
630045215241110
72565210256413
oct446105373302
9122808223716
1039478228674
1115819481575
127799219196
133951c46a31
141ca718980a
151060cbce19
hex93115f6c2

39478228674 has 16 divisors (see below), whose sum is σ = 78998634912. Its totient is φ = 13152379968.

The previous prime is 39478228649. The next prime is 39478228687. The reversal of 39478228674 is 47682287493.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745224 + ... + 1767699.

It is an arithmetic number, because the mean of its divisors is an integer number (4937414682).

Almost surely, 239478228674 is an apocalyptic number.

39478228674 is an abundant number, since it is smaller than the sum of its proper divisors (39520406238).

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

39478228674 is a wasteful number, since it uses less digits than its factorization.

39478228674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514801.

The product of its digits is 32514048, while the sum is 60.

The spelling of 39478228674 in words is "thirty-nine billion, four hundred seventy-eight million, two hundred twenty-eight thousand, six hundred seventy-four".

Divisors: 1 2 3 6 1873 3746 5619 11238 3512923 7025846 10538769 21077538 6579704779 13159409558 19739114337 39478228674