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2340420043 = 13459739163
BaseRepresentation
bin1000101101111111…
…1111100111001011
320001002220122201211
42023133333213023
514243121420133
61024123153551
7111666146023
oct21337774713
96032818654
102340420043
11aa1119245
125539758b7
132b3b57c40
14182b90a83
15da707bcd
hex8b7ff9cb

2340420043 has 8 divisors (see below), whose sum is σ = 2521065008. Its totient is φ = 2159862624.

The previous prime is 2340420041. The next prime is 2340420053. The reversal of 2340420043 is 3400240432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2340420043 - 21 = 2340420041 is a prime.

It is a super-2 number, since 2×23404200432 = 10955131955352243698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2340419996 and 2340420023.

It is not an unprimeable number, because it can be changed into a prime (2340420041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40180 + ... + 79342.

It is an arithmetic number, because the mean of its divisors is an integer number (315133126).

Almost surely, 22340420043 is an apocalyptic number.

2340420043 is a deficient number, since it is larger than the sum of its proper divisors (180644965).

2340420043 is a wasteful number, since it uses less digits than its factorization.

2340420043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43773.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2340420043 is about 48377.8879551392. The cubic root of 2340420043 is about 1327.6938275622.

Adding to 2340420043 its reverse (3400240432), we get a palindrome (5740660475).

The spelling of 2340420043 in words is "two billion, three hundred forty million, four hundred twenty thousand, forty-three".

Divisors: 1 13 4597 39163 59761 509119 180032311 2340420043