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485141281 is a prime number
BaseRepresentation
bin11100111010101…
…010101100100001
31020210212201201121
4130322222230201
51443144010111
6120050132241
715010430032
oct3472525441
91223781647
10485141281
11229938909
12116581081
1379681b61
1448608a89
152c8d0871
hex1ceaab21

485141281 has 2 divisors, whose sum is σ = 485141282. Its totient is φ = 485141280.

The previous prime is 485141263. The next prime is 485141287. The reversal of 485141281 is 182141584.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408403681 + 76737600 = 20209^2 + 8760^2 .

It is a cyclic number.

It is not a de Polignac number, because 485141281 - 221 = 483044129 is a prime.

It is a super-2 number, since 2×4851412812 = 470724125060641922, which contains 22 as substring.

It is equal to p25613368 and since 485141281 and 25613368 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (485141287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242570640 + 242570641.

It is an arithmetic number, because the mean of its divisors is an integer number (242570641).

Almost surely, 2485141281 is an apocalyptic number.

It is an amenable number.

485141281 is a deficient number, since it is larger than the sum of its proper divisors (1).

485141281 is an equidigital number, since it uses as much as digits as its factorization.

485141281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10240, while the sum is 34.

The square root of 485141281 is about 22025.9229318546. The cubic root of 485141281 is about 785.7590834482.

The spelling of 485141281 in words is "four hundred eighty-five million, one hundred forty-one thousand, two hundred eighty-one".