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459879961 is a prime number
BaseRepresentation
bin11011011010010…
…011011000011001
31012001100022201011
4123122103120121
51420212124321
6113344453521
714252625622
oct3332233031
91161308634
10459879961
11216654692
1210a01a2a1
1374378a28
1445110a49
152a590ae1
hex1b693619

459879961 has 2 divisors, whose sum is σ = 459879962. Its totient is φ = 459879960.

The previous prime is 459879949. The next prime is 459879977. The reversal of 459879961 is 169978954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 454329225 + 5550736 = 21315^2 + 2356^2 .

It is a cyclic number.

It is not a de Polignac number, because 459879961 - 29 = 459879449 is a prime.

It is a super-2 number, since 2×4598799612 = 422979157058723042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 459879896 and 459879905.

It is not a weakly prime, because it can be changed into another prime (459879991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229939980 + 229939981.

It is an arithmetic number, because the mean of its divisors is an integer number (229939981).

Almost surely, 2459879961 is an apocalyptic number.

It is an amenable number.

459879961 is a deficient number, since it is larger than the sum of its proper divisors (1).

459879961 is an equidigital number, since it uses as much as digits as its factorization.

459879961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 58.

The square root of 459879961 is about 21444.8119833213. The cubic root of 459879961 is about 771.8771096906.

The spelling of 459879961 in words is "four hundred fifty-nine million, eight hundred seventy-nine thousand, nine hundred sixty-one".