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3873509940 = 223573884363
BaseRepresentation
bin1110011011100001…
…0001001000110100
3100222221200200201010
43212320101020310
530413104304230
61440210432220
7164663201616
oct34670211064
910887620633
103873509940
11170854a393
12901292670
13499664721
1428a628db6
1517a0db9b0
hexe6e11234

3873509940 has 48 divisors (see below), whose sum is σ = 10994413248. Its totient is φ = 1018785024.

The previous prime is 3873509933. The next prime is 3873509953. The reversal of 3873509940 is 499053783.

It is a self number, because there is not a number n which added to its sum of digits gives 3873509940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437802 + ... + 446561.

It is an arithmetic number, because the mean of its divisors is an integer number (229050276).

Almost surely, 23873509940 is an apocalyptic number.

3873509940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3873509940 is an abundant number, since it is smaller than the sum of its proper divisors (7120903308).

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

3873509940 is a wasteful number, since it uses less digits than its factorization.

3873509940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884448 (or 884446 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 3873509940 is about 62237.5283892283. The cubic root of 3873509940 is about 1570.4889736899.

The spelling of 3873509940 in words is "three billion, eight hundred seventy-three million, five hundred nine thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73 146 219 292 365 438 730 876 1095 1460 2190 4380 884363 1768726 2653089 3537452 4421815 5306178 8843630 10612356 13265445 17687260 26530890 53061780 64558499 129116998 193675497 258233996 322792495 387350994 645584990 774701988 968377485 1291169980 1936754970 3873509940