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481083749 is a prime number
BaseRepresentation
bin11100101011001…
…100000101100101
31020112020120211122
4130223030011211
51441124134444
6115423143325
714631100346
oct3453140545
91215216748
10481083749
11227617383
12115144b45
1378891053
1447c700cd
152c37d4ee
hex1cacc165

481083749 has 2 divisors, whose sum is σ = 481083750. Its totient is φ = 481083748.

The previous prime is 481083739. The next prime is 481083793. The reversal of 481083749 is 947380184.

It is an a-pointer prime, because the next prime (481083793) can be obtained adding 481083749 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408322849 + 72760900 = 20207^2 + 8530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-481083749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481083739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240541874 + 240541875.

It is an arithmetic number, because the mean of its divisors is an integer number (240541875).

Almost surely, 2481083749 is an apocalyptic number.

It is an amenable number.

481083749 is a deficient number, since it is larger than the sum of its proper divisors (1).

481083749 is an equidigital number, since it uses as much as digits as its factorization.

481083749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 481083749 is about 21933.6214292123. The cubic root of 481083749 is about 783.5623538996.

The spelling of 481083749 in words is "four hundred eighty-one million, eighty-three thousand, seven hundred forty-nine".