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3877748420 = 2257132130631
BaseRepresentation
bin1110011100100001…
…1011111011000100
3101000020200000210212
43213020123323010
530420200422140
61440441334552
7165044213660
oct34710337304
911006600725
103877748420
11170a984867
12902797458
1349a4b99c0
1428b00d8a0
1517a677765
hexe721bec4

3877748420 has 48 divisors (see below), whose sum is σ = 10022492928. Its totient is φ = 1227242880.

The previous prime is 3877748383. The next prime is 3877748431. The reversal of 3877748420 is 248477783.

It is a happy 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, 1063496 + ... + 1067135.

It is an arithmetic number, because the mean of its divisors is an integer number (208801936).

Almost surely, 23877748420 is an apocalyptic number.

It is an amenable number.

3877748420 is an abundant number, since it is smaller than the sum of its proper divisors (6144744508).

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

3877748420 is a wasteful number, since it uses less digits than its factorization.

3877748420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130660 (or 2130658 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 50.

The square root of 3877748420 is about 62271.5699175796. The cubic root of 3877748420 is about 1571.0615861087.

The spelling of 3877748420 in words is "three billion, eight hundred seventy-seven million, seven hundred forty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 2130631 4261262 8522524 10653155 14914417 21306310 27698203 29828834 42612620 55396406 59657668 74572085 110792812 138491015 149144170 193887421 276982030 298288340 387774842 553964060 775549684 969437105 1938874210 3877748420