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1002232201 = 3132330071
BaseRepresentation
bin111011101111001…
…101100110001001
32120211212200010011
4323233031212021
54023032412301
6243241151521
733556555525
oct7357154611
92524780104
101002232201
11474808983
1223b78b5a1
1312c83c209
149716cd85
155cec2a51
hex3bbcd989

1002232201 has 4 divisors (see below), whose sum is σ = 1034562304. Its totient is φ = 969902100.

The previous prime is 1002232123. The next prime is 1002232211. The reversal of 1002232201 is 1022322001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1022322001 = 2106148541.

It is a cyclic number.

It is not a de Polignac number, because 1002232201 - 213 = 1002224009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002232211) 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, 16165005 + ... + 16165066.

It is an arithmetic number, because the mean of its divisors is an integer number (258640576).

Almost surely, 21002232201 is an apocalyptic number.

It is an amenable number.

1002232201 is a deficient number, since it is larger than the sum of its proper divisors (32330103).

1002232201 is an equidigital number, since it uses as much as digits as its factorization.

1002232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32330102.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1002232201 is about 31658.0511244770. The cubic root of 1002232201 is about 1000.7435140498.

Adding to 1002232201 its reverse (1022322001), we get a palindrome (2024554202).

The spelling of 1002232201 in words is "one billion, two million, two hundred thirty-two thousand, two hundred one".

Divisors: 1 31 32330071 1002232201