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480418381 is a prime number
BaseRepresentation
bin11100101000101…
…001101001001101
31020110222210010101
4130220221221031
51440441342011
6115401011101
714622326452
oct3450515115
91213883111
10480418381
11227202493
12114a83a91
13786ba241
1447b39829
152c29b2c1
hex1ca29a4d

480418381 has 2 divisors, whose sum is σ = 480418382. Its totient is φ = 480418380.

The previous prime is 480418373. The next prime is 480418387. The reversal of 480418381 is 183814084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352162756 + 128255625 = 18766^2 + 11325^2 .

It is a cyclic number.

It is not a de Polignac number, because 480418381 - 23 = 480418373 is a prime.

It is a super-2 number, since 2×4804183812 = 461603641605322322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 480418381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (480418387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240209190 + 240209191.

It is an arithmetic number, because the mean of its divisors is an integer number (240209191).

Almost surely, 2480418381 is an apocalyptic number.

It is an amenable number.

480418381 is a deficient number, since it is larger than the sum of its proper divisors (1).

480418381 is an equidigital number, since it uses as much as digits as its factorization.

480418381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 480418381 is about 21918.4484168018. The cubic root of 480418381 is about 783.2009491487.

The spelling of 480418381 in words is "four hundred eighty million, four hundred eighteen thousand, three hundred eighty-one".