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473957749 is a prime number
BaseRepresentation
bin11100010000000…
…000010101110101
31020000211112210201
4130100000111311
51432313121444
6115010320501
714513401006
oct3420002565
91200745721
10473957749
1122359a521
12112889131
1377267695
1446d371ad
152b921dd4
hex1c400575

473957749 has 2 divisors, whose sum is σ = 473957750. Its totient is φ = 473957748.

The previous prime is 473957719. The next prime is 473957761. The reversal of 473957749 is 947759374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423618724 + 50339025 = 20582^2 + 7095^2 .

It is a cyclic number.

It is not a de Polignac number, because 473957749 - 211 = 473955701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 473957749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473957719) 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, 236978874 + 236978875.

It is an arithmetic number, because the mean of its divisors is an integer number (236978875).

Almost surely, 2473957749 is an apocalyptic number.

It is an amenable number.

473957749 is a deficient number, since it is larger than the sum of its proper divisors (1).

473957749 is an equidigital number, since it uses as much as digits as its factorization.

473957749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6667920, while the sum is 55.

The square root of 473957749 is about 21770.5707091018. The cubic root of 473957749 is about 779.6742826977.

The spelling of 473957749 in words is "four hundred seventy-three million, nine hundred fifty-seven thousand, seven hundred forty-nine".