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630467377 is a prime number
BaseRepresentation
bin100101100101000…
…010101100110001
31121221100001122121
4211211002230301
52242344424002
6142321034241
721423612211
oct4545025461
91557301577
10630467377
112a3978521
12157185981
13a0805527
145da38241
153a53a237
hex25942b31

630467377 has 2 divisors, whose sum is σ = 630467378. Its totient is φ = 630467376.

The previous prime is 630467359. The next prime is 630467393. The reversal of 630467377 is 773764036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 596873761 + 33593616 = 24431^2 + 5796^2 .

It is a cyclic number.

It is not a de Polignac number, because 630467377 - 27 = 630467249 is a prime.

It is a super-2 number, since 2×6304673772 = 794978226922520258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (630467317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315233688 + 315233689.

It is an arithmetic number, because the mean of its divisors is an integer number (315233689).

Almost surely, 2630467377 is an apocalyptic number.

It is an amenable number.

630467377 is a deficient number, since it is larger than the sum of its proper divisors (1).

630467377 is an equidigital number, since it uses as much as digits as its factorization.

630467377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 43.

The square root of 630467377 is about 25109.1094425908. The cubic root of 630467377 is about 857.4738276230.

The spelling of 630467377 in words is "six hundred thirty million, four hundred sixty-seven thousand, three hundred seventy-seven".