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486545693 is a prime number
BaseRepresentation
bin11101000000000…
…001100100011101
31020220112002012212
4131000001210131
51444023430233
6120140210205
715025366364
oct3500014435
91226462185
10486545693
1122a707a87
12116b39965
1379a5417a
14488927db
152caaba48
hex1d00191d

486545693 has 2 divisors, whose sum is σ = 486545694. Its totient is φ = 486545692.

The previous prime is 486545681. The next prime is 486545743. The reversal of 486545693 is 396545684.

It is an a-pointer prime, because the next prime (486545743) can be obtained adding 486545693 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317623684 + 168922009 = 17822^2 + 12997^2 .

It is a cyclic number.

It is not a de Polignac number, because 486545693 - 24 = 486545677 is a prime.

It is a super-2 number, since 2×4865456932 = 473453422753700498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486545603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243272846 + 243272847.

It is an arithmetic number, because the mean of its divisors is an integer number (243272847).

Almost surely, 2486545693 is an apocalyptic number.

It is an amenable number.

486545693 is a deficient number, since it is larger than the sum of its proper divisors (1).

486545693 is an equidigital number, since it uses as much as digits as its factorization.

486545693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 50.

The square root of 486545693 is about 22057.7807813932. The cubic root of 486545693 is about 786.5165716184.

Subtracting from 486545693 its reverse (396545684), we obtain a palindrome (90000009).

The spelling of 486545693 in words is "four hundred eighty-six million, five hundred forty-five thousand, six hundred ninety-three".