Search a number
-
+
3978675508 = 225571785761
BaseRepresentation
bin1110110100100101…
…1100010100110100
3101021021120122202011
43231021130110310
531122020104013
61454444454004
7200411120023
oct35511342464
911237518664
103978675508
111761949885
1293054a304
134b5396482
1429a5a28ba
15184461c3d
hexed25c534

3978675508 has 12 divisors (see below), whose sum is σ = 6975186372. Its totient is φ = 1985765120.

The previous prime is 3978675479. The next prime is 3978675509. The reversal of 3978675508 is 8055768793.

3978675508 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 1037999524 + 2940675984 = 32218^2 + 54228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978675509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890653 + ... + 895108.

It is an arithmetic number, because the mean of its divisors is an integer number (581265531).

Almost surely, 23978675508 is an apocalyptic number.

It is an amenable number.

3978675508 is a deficient number, since it is larger than the sum of its proper divisors (2996510864).

3978675508 is a wasteful number, since it uses less digits than its factorization.

3978675508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786322 (or 1786320 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The square root of 3978675508 is about 63076.7430040582. The cubic root of 3978675508 is about 1584.5751475022.

The spelling of 3978675508 in words is "three billion, nine hundred seventy-eight million, six hundred seventy-five thousand, five hundred eight".

Divisors: 1 2 4 557 1114 2228 1785761 3571522 7143044 994668877 1989337754 3978675508