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630467393 is a prime number
BaseRepresentation
bin100101100101000…
…010101101000001
31121221100001200012
4211211002231001
52242344424033
6142321034305
721423612233
oct4545025501
91557301605
10630467393
112a3978536
12157185995
13a080553a
145da38253
153a53a248
hex25942b41

630467393 has 2 divisors, whose sum is σ = 630467394. Its totient is φ = 630467392.

The previous prime is 630467377. The next prime is 630467399. The reversal of 630467393 is 393764036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571592464 + 58874929 = 23908^2 + 7673^2 .

It is a cyclic number.

It is not a de Polignac number, because 630467393 - 24 = 630467377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630467393.

It is not a weakly prime, because it can be changed into another prime (630467399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315233696 + 315233697.

It is an arithmetic number, because the mean of its divisors is an integer number (315233697).

Almost surely, 2630467393 is an apocalyptic number.

It is an amenable number.

630467393 is a deficient number, since it is larger than the sum of its proper divisors (1).

630467393 is an equidigital number, since it uses as much as digits as its factorization.

630467393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 41.

The square root of 630467393 is about 25109.1097612002. The cubic root of 630467393 is about 857.4738348767.

The spelling of 630467393 in words is "six hundred thirty million, four hundred sixty-seven thousand, three hundred ninety-three".