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30630671 is a prime number
BaseRepresentation
bin111010011011…
…0001100001111
32010122012101022
41310312030033
530320140141
63012304355
7521233151
oct164661417
963565338
1030630671
1116321305
12a3120bb
136466076
1440d4ad1
152a50b4b
hex1d3630f

30630671 has 2 divisors, whose sum is σ = 30630672. Its totient is φ = 30630670.

The previous prime is 30630643. The next prime is 30630703. The reversal of 30630671 is 17603603.

It is a weak prime.

It is an emirp because it is prime and its reverse (17603603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30630671 - 210 = 30629647 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30630671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30630631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15315335 + 15315336.

It is an arithmetic number, because the mean of its divisors is an integer number (15315336).

Almost surely, 230630671 is an apocalyptic number.

30630671 is a deficient number, since it is larger than the sum of its proper divisors (1).

30630671 is an equidigital number, since it uses as much as digits as its factorization.

30630671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 30630671 is about 5534.4982609086. The cubic root of 30630671 is about 312.8855478136.

The spelling of 30630671 in words is "thirty million, six hundred thirty thousand, six hundred seventy-one".