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480881657 is a prime number
BaseRepresentation
bin11100101010011…
…010101111111001
31020111212022121202
4130222122233321
51441101203112
6115414543545
714626266224
oct3452325771
91214768552
10480881657
11227499563
12115067bb5
1378820079
1447c1a5bb
152c33d6c2
hex1ca9abf9

480881657 has 2 divisors, whose sum is σ = 480881658. Its totient is φ = 480881656.

The previous prime is 480881629. The next prime is 480881693. The reversal of 480881657 is 756188084.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420291001 + 60590656 = 20501^2 + 7784^2 .

It is a cyclic number.

It is not a de Polignac number, because 480881657 - 26 = 480881593 is a prime.

It is a super-3 number, since 3×4808816573 (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (480881627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240440828 + 240440829.

It is an arithmetic number, because the mean of its divisors is an integer number (240440829).

Almost surely, 2480881657 is an apocalyptic number.

It is an amenable number.

480881657 is a deficient number, since it is larger than the sum of its proper divisors (1).

480881657 is an equidigital number, since it uses as much as digits as its factorization.

480881657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 480881657 is about 21929.0140453236. The cubic root of 480881657 is about 783.4526198100.

The spelling of 480881657 in words is "four hundred eighty million, eight hundred eighty-one thousand, six hundred fifty-seven".