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2331423401 = 1728067209
BaseRepresentation
bin1000101011110110…
…1011001010101001
320000110222120122212
42022331223022221
514233321022101
61023202254505
7111526525526
oct21275531251
96013876585
102331423401
11a970339aa
12550957435
132b2027c98
141818cc14d
15d9a2c1bb
hex8af6b2a9

2331423401 has 6 divisors (see below), whose sum is σ = 2476633470. Its totient is φ = 2194280576.

The previous prime is 2331423389. The next prime is 2331423403. The reversal of 2331423401 is 1043241332.

It can be written as a sum of positive squares in 3 ways, for example, as 837523600 + 1493899801 = 28940^2 + 38651^2 .

It is not a de Polignac number, because 2331423401 - 26 = 2331423337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331423403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4033316 + ... + 4033893.

It is an arithmetic number, because the mean of its divisors is an integer number (412772245).

Almost surely, 22331423401 is an apocalyptic number.

It is an amenable number.

2331423401 is a deficient number, since it is larger than the sum of its proper divisors (145210069).

2331423401 is an equidigital number, since it uses as much as digits as its factorization.

2331423401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067243 (or 8067226 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2331423401 is about 48284.8154288696. The cubic root of 2331423401 is about 1325.9904119403.

Adding to 2331423401 its reverse (1043241332), we get a palindrome (3374664733).

The spelling of 2331423401 in words is "two billion, three hundred thirty-one million, four hundred twenty-three thousand, four hundred one".

Divisors: 1 17 289 8067209 137142553 2331423401