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3150421 is a prime number
BaseRepresentation
bin1100000001001001010101
312221001120021
430001021111
51301303141
6151305141
735530621
oct14011125
95831507
103150421
111861a5a
12107b1b1
13863c71
145c0181
154236d1
hex301255

3150421 has 2 divisors, whose sum is σ = 3150422. Its totient is φ = 3150420.

The previous prime is 3150397. The next prime is 3150443. The reversal of 3150421 is 1240513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2640625 + 509796 = 1625^2 + 714^2 .

It is a cyclic number.

It is not a de Polignac number, because 3150421 - 27 = 3150293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3150395 and 3150404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3150451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575210 + 1575211.

It is an arithmetic number, because the mean of its divisors is an integer number (1575211).

Almost surely, 23150421 is an apocalyptic number.

It is an amenable number.

3150421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3150421 is an equidigital number, since it uses as much as digits as its factorization.

3150421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3150421 is about 1774.9425342810. The cubic root of 3150421 is about 146.5962512078.

Adding to 3150421 its reverse (1240513), we get a palindrome (4390934).

The spelling of 3150421 in words is "three million, one hundred fifty thousand, four hundred twenty-one".