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3845873140 = 225192293657
BaseRepresentation
bin1110010100111011…
…0101110111110100
3100221000200121010221
43211032311313310
530334020420030
61433342224124
7164206245064
oct34516656764
910830617127
103845873140
1116a399345a
128b3b85044
13493a092a5
14286ab33a4
1517797ce7a
hexe53b5df4

3845873140 has 12 divisors (see below), whose sum is σ = 8076333636. Its totient is φ = 1538349248.

The previous prime is 3845873137. The next prime is 3845873147. The reversal of 3845873140 is 413785483.

It can be written as a sum of positive squares in 2 ways, for example, as 2544395364 + 1301477776 = 50442^2 + 36076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845873147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96146809 + ... + 96146848.

It is an arithmetic number, because the mean of its divisors is an integer number (673027803).

Almost surely, 23845873140 is an apocalyptic number.

It is an amenable number.

3845873140 is an abundant number, since it is smaller than the sum of its proper divisors (4230460496).

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

3845873140 is a wasteful number, since it uses less digits than its factorization.

3845873140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192293666 (or 192293664 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 3845873140 is about 62015.1041279461. The cubic root of 3845873140 is about 1566.7450027728.

The spelling of 3845873140 in words is "three billion, eight hundred forty-five million, eight hundred seventy-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 192293657 384587314 769174628 961468285 1922936570 3845873140