Search a number
-
+
30341657 is a prime number
BaseRepresentation
bin111001110111…
…1101000011001
32010002111221002
41303233220121
530231413112
63002154345
7515620433
oct163575031
963074832
1030341657
1116144155
12a1b29b5
136394658
14405b653
1529e51c2
hex1cefa19

30341657 has 2 divisors, whose sum is σ = 30341658. Its totient is φ = 30341656.

The previous prime is 30341621. The next prime is 30341671. The reversal of 30341657 is 75614303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30261001 + 80656 = 5501^2 + 284^2 .

It is an emirp because it is prime and its reverse (75614303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30341657 - 26 = 30341593 is a prime.

It is a super-2 number, since 2×303416572 = 1841232299011298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30341557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15170828 + 15170829.

It is an arithmetic number, because the mean of its divisors is an integer number (15170829).

Almost surely, 230341657 is an apocalyptic number.

It is an amenable number.

30341657 is a deficient number, since it is larger than the sum of its proper divisors (1).

30341657 is an equidigital number, since it uses as much as digits as its factorization.

30341657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 30341657 is about 5508.3261522898. The cubic root of 30341657 is about 311.8983650164.

The spelling of 30341657 in words is "thirty million, three hundred forty-one thousand, six hundred fifty-seven".