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1002242321 = 2539394739
BaseRepresentation
bin111011101111010…
…000000100010001
32120211220011222222
4323233100010101
54023033223241
6243241310425
733556630163
oct7357200421
92524804888
101002242321
11474815543
1223b795415
1312c8439c2
1497172933
155cec5a4b
hex3bbd0111

1002242321 has 4 divisors (see below), whose sum is σ = 1002639600. Its totient is φ = 1001845044.

The previous prime is 1002242303. The next prime is 1002242333. The reversal of 1002242321 is 1232422001.

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 1002242321 - 26 = 1002242257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002242321.

It is not an unprimeable number, because it can be changed into a prime (1002242821) 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, 194831 + ... + 199908.

It is an arithmetic number, because the mean of its divisors is an integer number (250659900).

Almost surely, 21002242321 is an apocalyptic number.

It is an amenable number.

1002242321 is a deficient number, since it is larger than the sum of its proper divisors (397279).

1002242321 is an equidigital number, since it uses as much as digits as its factorization.

1002242321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397278.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1002242321 is about 31658.2109570329. The cubic root of 1002242321 is about 1000.7468823612.

Adding to 1002242321 its reverse (1232422001), we get a palindrome (2234664322).

The spelling of 1002242321 in words is "one billion, two million, two hundred forty-two thousand, three hundred twenty-one".

Divisors: 1 2539 394739 1002242321