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3205444997 is a prime number
BaseRepresentation
bin1011111100001111…
…0011010110000101
322021101121110220002
42333003303112011
523031043214442
61250023451045
7142301555456
oct27703632605
98241543802
103205444997
1113a54322a7
127555b6a85
133c1127021
14225a0512d
1513b626732
hexbf0f3585

3205444997 has 2 divisors, whose sum is σ = 3205444998. Its totient is φ = 3205444996.

The previous prime is 3205444943. The next prime is 3205445029. The reversal of 3205444997 is 7994445023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1780080481 + 1425364516 = 42191^2 + 37754^2 .

It is a cyclic number.

It is not a de Polignac number, because 3205444997 - 210 = 3205443973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3205441997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602722498 + 1602722499.

It is an arithmetic number, because the mean of its divisors is an integer number (1602722499).

Almost surely, 23205444997 is an apocalyptic number.

It is an amenable number.

3205444997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205444997 is an equidigital number, since it uses as much as digits as its factorization.

3205444997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 3205444997 is about 56616.6494681556. The cubic root of 3205444997 is about 1474.4479400264.

The spelling of 3205444997 in words is "three billion, two hundred five million, four hundred forty-four thousand, nine hundred ninety-seven".