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3874834380 = 2235232807851
BaseRepresentation
bin1110011011110101…
…0100011111001100
3101000001011222111110
43212331110133030
530413424200010
61440255052020
7165010356144
oct34675243714
911001158443
103874834380
11170927446a
12901811010
13499a09511
1428a891924
1517a29e120
hexe6f547cc

3874834380 has 48 divisors (see below), whose sum is σ = 11321259264. Its totient is φ = 988363200.

The previous prime is 3874834373. The next prime is 3874834387. The reversal of 3874834380 is 834384783.

It is an interprime number because it is at equal distance from previous prime (3874834373) and next prime (3874834387).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3874834387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402546 + ... + 1405305.

It is an arithmetic number, because the mean of its divisors is an integer number (235859568).

Almost surely, 23874834380 is an apocalyptic number.

3874834380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3874834380 is an abundant number, since it is smaller than the sum of its proper divisors (7446424884).

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

3874834380 is a wasteful number, since it uses less digits than its factorization.

3874834380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807886 (or 2807884 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The square root of 3874834380 is about 62248.1676838764. The cubic root of 3874834380 is about 1570.6679484376.

The spelling of 3874834380 in words is "three billion, eight hundred seventy-four million, eight hundred thirty-four thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 2807851 5615702 8423553 11231404 14039255 16847106 28078510 33694212 42117765 56157020 64580573 84235530 129161146 168471060 193741719 258322292 322902865 387483438 645805730 774966876 968708595 1291611460 1937417190 3874834380