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2345856140 = 225117292807
BaseRepresentation
bin1000101111010010…
…1110110010001100
320001111010211122202
42023310232302030
514301014344030
61024435501032
7112063306505
oct21364566214
96044124582
102345856140
11aa41a1491
12555757778
132b500c374
141837a7bac
15dae2d745
hex8bd2ec8c

2345856140 has 12 divisors (see below), whose sum is σ = 4926297936. Its totient is φ = 938342448.

The previous prime is 2345856133. The next prime is 2345856143. The reversal of 2345856140 is 416585432.

2345856140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2345856094 and 2345856103.

It is not an unprimeable number, because it can be changed into a prime (2345856143) 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, 58646384 + ... + 58646423.

It is an arithmetic number, because the mean of its divisors is an integer number (410524828).

Almost surely, 22345856140 is an apocalyptic number.

2345856140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2345856140 is an abundant number, since it is smaller than the sum of its proper divisors (2580441796).

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

2345856140 is a wasteful number, since it uses less digits than its factorization.

2345856140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117292816 (or 117292814 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 2345856140 is about 48434.0390634521. The cubic root of 2345856140 is about 1328.7209781717.

The spelling of 2345856140 in words is "two billion, three hundred forty-five million, eight hundred fifty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 117292807 234585614 469171228 586464035 1172928070 2345856140