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2340222431 = 17672054629
BaseRepresentation
bin1000101101111100…
…1111010111011111
320001002112121122212
42023133033113133
514243044104211
61024115031035
7111664363631
oct21337172737
96032477585
102340222431
11aa0aa3828
1255389b47b
132b3ab9001
14182b3ca51
15da6b938b
hex8b7cf5df

2340222431 has 8 divisors (see below), whose sum is σ = 2514867120. Its totient is φ = 2169687168.

The previous prime is 2340222389. The next prime is 2340222491. The reversal of 2340222431 is 1342220432.

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 2340222431 - 222 = 2336028127 is a prime.

It is a super-2 number, since 2×23402224312 = 10953282053111099522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2340222397 and 2340222406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340222491) 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, 1026176 + ... + 1028453.

It is an arithmetic number, because the mean of its divisors is an integer number (314358390).

Almost surely, 22340222431 is an apocalyptic number.

2340222431 is a deficient number, since it is larger than the sum of its proper divisors (174644689).

2340222431 is a wasteful number, since it uses less digits than its factorization.

2340222431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054713.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2340222431 is about 48375.8455326623. The cubic root of 2340222431 is about 1327.6564588260.

Adding to 2340222431 its reverse (1342220432), we get a palindrome (3682442863).

The spelling of 2340222431 in words is "two billion, three hundred forty million, two hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 17 67 1139 2054629 34928693 137660143 2340222431