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3920250380 = 2257311712293
BaseRepresentation
bin1110100110101010…
…0100011000001100
3101010012122100112112
43221222210120030
531012041003010
61445000323152
7166101402254
oct35152443014
911105570475
103920250380
111731974152
12914a734b8
134a624b2a7
14292914964
1517e270a05
hexe9aa460c

3920250380 has 48 divisors (see below), whose sum is σ = 8356069344. Its totient is φ = 1544624640.

The previous prime is 3920250331. The next prime is 3920250407. The reversal of 3920250380 is 830520293.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708514 + ... + 1710806.

It is an arithmetic number, because the mean of its divisors is an integer number (174084778).

Almost surely, 23920250380 is an apocalyptic number.

It is an amenable number.

3920250380 is an abundant number, since it is smaller than the sum of its proper divisors (4435818964).

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

3920250380 is a wasteful number, since it uses less digits than its factorization.

3920250380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3920250380 is about 62611.9028619958. The cubic root of 3920250380 is about 1576.7806021378.

The spelling of 3920250380 in words is "three billion, nine hundred twenty million, two hundred fifty thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1171 1460 2293 2342 4586 4684 5855 9172 11465 11710 22930 23420 45860 85483 167389 170966 334778 341932 427415 669556 836945 854830 1673890 1709660 2685103 3347780 5370206 10740412 13425515 26851030 53702060 196012519 392025038 784050076 980062595 1960125190 3920250380