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62130421 is a prime number
BaseRepresentation
bin1110110100000…
…0100011110101
311022220112220201
43231000203311
5111401133141
610055400501
71353046153
oct355004365
9138815821
1062130421
1132086561
1218983131
13cb44882
1483743d3
1556c4031
hex3b408f5

62130421 has 2 divisors, whose sum is σ = 62130422. Its totient is φ = 62130420.

The previous prime is 62130371. The next prime is 62130443. The reversal of 62130421 is 12403126.

62130421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59444100 + 2686321 = 7710^2 + 1639^2 .

It is a cyclic number.

It is not a de Polignac number, because 62130421 - 223 = 53741813 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 (62130491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31065210 + 31065211.

It is an arithmetic number, because the mean of its divisors is an integer number (31065211).

Almost surely, 262130421 is an apocalyptic number.

It is an amenable number.

62130421 is a deficient number, since it is larger than the sum of its proper divisors (1).

62130421 is an equidigital number, since it uses as much as digits as its factorization.

62130421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 62130421 is about 7882.2852650738. The cubic root of 62130421 is about 396.0664892778.

Adding to 62130421 its reverse (12403126), we get a palindrome (74533547).

The spelling of 62130421 in words is "sixty-two million, one hundred thirty thousand, four hundred twenty-one".