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3928704980 = 2252359144757
BaseRepresentation
bin1110101000101011…
…0100011111010100
3101010210112220001212
43222022310133110
531021222024410
61445501440552
7166233304244
oct35212643724
911123486055
103928704980
111736719222
12917870158
134a7c1b605
14293ab5b24
1517ed90b05
hexea2b47d4

3928704980 has 48 divisors (see below), whose sum is σ = 8754963840. Its totient is φ = 1477669248.

The previous prime is 3928704979. The next prime is 3928705009. The reversal of 3928704980 is 894078293.

It is a happy number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 45239 + ... + 99518.

It is an arithmetic number, because the mean of its divisors is an integer number (182395080).

Almost surely, 23928704980 is an apocalyptic number.

It is an amenable number.

3928704980 is an abundant number, since it is smaller than the sum of its proper divisors (4826258860).

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

3928704980 is a wasteful number, since it uses less digits than its factorization.

3928704980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144848 (or 144846 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 3928704980 is about 62679.3824155918. The cubic root of 3928704980 is about 1577.9133084697.

The spelling of 3928704980 in words is "three billion, nine hundred twenty-eight million, seven hundred four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 59 92 115 118 230 236 295 460 590 1180 1357 2714 5428 6785 13570 27140 144757 289514 579028 723785 1447570 2895140 3329411 6658822 8540663 13317644 16647055 17081326 33294110 34162652 42703315 66588220 85406630 170813260 196435249 392870498 785740996 982176245 1964352490 3928704980