[go: up one dir, main page]

Search a number
-
+
30371093 is a prime number
BaseRepresentation
bin111001111011…
…0110100010101
32010011000022022
41303312310111
530233333333
63002542525
7516102314
oct163666425
963130268
1030371093
1116164285
12a207a45
1363a4b7c
14406827b
1529edc98
hex1cf6d15

30371093 has 2 divisors, whose sum is σ = 30371094. Its totient is φ = 30371092.

The previous prime is 30371087. The next prime is 30371137. The reversal of 30371093 is 39017303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26399044 + 3972049 = 5138^2 + 1993^2 .

It is a cyclic number.

It is not a de Polignac number, because 30371093 - 210 = 30370069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30371023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15185546 + 15185547.

It is an arithmetic number, because the mean of its divisors is an integer number (15185547).

Almost surely, 230371093 is an apocalyptic number.

It is an amenable number.

30371093 is a deficient number, since it is larger than the sum of its proper divisors (1).

30371093 is an equidigital number, since it uses as much as digits as its factorization.

30371093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 30371093 is about 5510.9974596256. The cubic root of 30371093 is about 311.9991952916. Note that the first 3 decimals are identical.

Adding to 30371093 its reverse (39017303), we get a palindrome (69388396).

The spelling of 30371093 in words is "thirty million, three hundred seventy-one thousand, ninety-three".