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3873403920 = 243516379859
BaseRepresentation
bin1110011011011111…
…0111010000010000
3100222221111022021110
43212313313100100
530413042411140
61440204253320
7164662250541
oct34667672020
910887438243
103873403920
111708487771
12901241240
134996283a9
1428a5dc4c8
1517a0ba380
hexe6df7410

3873403920 has 80 divisors (see below), whose sum is σ = 12016105920. Its totient is φ = 1032172032.

The previous prime is 3873403873. The next prime is 3873403921. The reversal of 3873403920 is 293043783.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (3873403921) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 387951 + ... + 397809.

It is an arithmetic number, because the mean of its divisors is an integer number (150201324).

Almost surely, 23873403920 is an apocalyptic number.

3873403920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3873403920 is an abundant number, since it is smaller than the sum of its proper divisors (8142702000).

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

3873403920 is a wasteful number, since it uses less digits than its factorization.

3873403920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512 (or 11506 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 3873403920 is about 62236.6766464920. The cubic root of 3873403920 is about 1570.4746451900.

The spelling of 3873403920 in words is "three billion, eight hundred seventy-three million, four hundred three thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1637 3274 4911 6548 8185 9822 9859 13096 16370 19644 19718 24555 26192 29577 32740 39288 39436 49110 49295 59154 65480 78576 78872 98220 98590 118308 130960 147885 157744 196440 197180 236616 295770 392880 394360 473232 591540 788720 1183080 2366160 16139183 32278366 48417549 64556732 80695915 96835098 129113464 161391830 193670196 242087745 258226928 322783660 387340392 484175490 645567320 774680784 968350980 1291134640 1936701960 3873403920