Search a number
-
+
30214397 is a prime number
BaseRepresentation
bin111001101000…
…0100011111101
32002212001100202
41303100203331
530213330042
62555333245
7514550423
oct163204375
962761322
1030214397
1116067584
12a151225
13634b755
144027113
1529bc632
hex1cd08fd

30214397 has 2 divisors, whose sum is σ = 30214398. Its totient is φ = 30214396.

The previous prime is 30214363. The next prime is 30214439. The reversal of 30214397 is 79341203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29822521 + 391876 = 5461^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 30214397 - 214 = 30198013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30214297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15107198 + 15107199.

It is an arithmetic number, because the mean of its divisors is an integer number (15107199).

Almost surely, 230214397 is an apocalyptic number.

It is an amenable number.

30214397 is a deficient number, since it is larger than the sum of its proper divisors (1).

30214397 is an equidigital number, since it uses as much as digits as its factorization.

30214397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 30214397 is about 5496.7624107287. The cubic root of 30214397 is about 311.4616957384.

The spelling of 30214397 in words is "thirty million, two hundred fourteen thousand, three hundred ninety-seven".