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3201032045 = 5640206409
BaseRepresentation
bin1011111011001011…
…1101111101101101
322021002022021110102
42332302331331231
523023431011140
61245345120445
7142216215641
oct27662757555
98232267412
103201032045
1113a2998832
12754029125
133c0240503
142251b6c21
1513b053e15
hexbecbdf6d

3201032045 has 4 divisors (see below), whose sum is σ = 3841238460. Its totient is φ = 2560825632.

The previous prime is 3201032027. The next prime is 3201032063. The reversal of 3201032045 is 5402301023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5402301023 = 7771757289.

It is an interprime number because it is at equal distance from previous prime (3201032027) and next prime (3201032063).

It can be written as a sum of positive squares in 2 ways, for example, as 2103965161 + 1097066884 = 45869^2 + 33122^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201032045 - 28 = 3201031789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320103200 + ... + 320103209.

It is an arithmetic number, because the mean of its divisors is an integer number (960309615).

Almost surely, 23201032045 is an apocalyptic number.

It is an amenable number.

3201032045 is a deficient number, since it is larger than the sum of its proper divisors (640206415).

3201032045 is an equidigital number, since it uses as much as digits as its factorization.

3201032045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640206414.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3201032045 is about 56577.6638347679. The cubic root of 3201032045 is about 1473.7710026903.

Adding to 3201032045 its reverse (5402301023), we get a palindrome (8603333068).

The spelling of 3201032045 in words is "three billion, two hundred one million, thirty-two thousand, forty-five".

Divisors: 1 5 640206409 3201032045