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2000004397 = 8232430139
BaseRepresentation
bin111011100110101…
…1010010100101101
312011101100202020221
41313031122110231
513044000120042
6530243011341
7100363520416
oct16715322455
95141322227
102000004397
11936a4a9a6
12479969b51
1325b479371
1414d89a80d
15ba8b3d67
hex7735a52d

2000004397 has 4 divisors (see below), whose sum is σ = 2002435360. Its totient is φ = 1997573436.

The previous prime is 2000004371. The next prime is 2000004403. The reversal of 2000004397 is 7934000002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2000004397 - 27 = 2000004269 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 (2000004367) 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, 1214247 + ... + 1215892.

It is an arithmetic number, because the mean of its divisors is an integer number (500608840).

Almost surely, 22000004397 is an apocalyptic number.

It is an amenable number.

2000004397 is a deficient number, since it is larger than the sum of its proper divisors (2430963).

2000004397 is an equidigital number, since it uses as much as digits as its factorization.

2000004397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430962.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2000004397 is about 44721.4087099233. The cubic root of 2000004397 is about 1259.9219732063.

Adding to 2000004397 its reverse (7934000002), we get a palindrome (9934004399).

The spelling of 2000004397 in words is "two billion, four thousand, three hundred ninety-seven".

Divisors: 1 823 2430139 2000004397