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3868852220 = 225521371291
BaseRepresentation
bin1110011010011001…
…1111111111111100
3100222121221001111222
43212212133333330
530410411232340
61435522532512
7164605462352
oct34646377774
910877831458
103868852220
111705958a32
128bb807138
134986c368c
14289b757d2
151799bb8b5
hexe699fffc

3868852220 has 24 divisors (see below), whose sum is σ = 8140205808. Its totient is φ = 1544566400.

The previous prime is 3868852171. The next prime is 3868852237. The reversal of 3868852220 is 222588683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175226 + ... + 196065.

It is an arithmetic number, because the mean of its divisors is an integer number (339175242).

Almost surely, 23868852220 is an apocalyptic number.

It is an amenable number.

3868852220 is an abundant number, since it is smaller than the sum of its proper divisors (4271353588).

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

3868852220 is a wasteful number, since it uses less digits than its factorization.

3868852220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371821 (or 371819 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 3868852220 is about 62200.0982314337. The cubic root of 3868852220 is about 1569.8592406295.

The spelling of 3868852220 in words is "three billion, eight hundred sixty-eight million, eight hundred fifty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 521 1042 2084 2605 5210 10420 371291 742582 1485164 1856455 3712910 7425820 193442611 386885222 773770444 967213055 1934426110 3868852220