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62420989 is a prime number
BaseRepresentation
bin1110111000011…
…1011111111101
311100110022111111
43232013133331
5111434432424
610105522021
71355366251
oct356073775
9140408444
1062420989
11322648a4
1218aa3311
13cc16bc7
14840c261
155730194
hex3b877fd

62420989 has 2 divisors, whose sum is σ = 62420990. Its totient is φ = 62420988.

The previous prime is 62420977. The next prime is 62421001. The reversal of 62420989 is 98902426.

It is a balanced prime because it is at equal distance from previous prime (62420977) and next prime (62421001).

It can be written as a sum of positive squares in only one way, i.e., 60295225 + 2125764 = 7765^2 + 1458^2 .

It is a cyclic number.

It is not a de Polignac number, because 62420989 - 225 = 28866557 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62420389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31210494 + 31210495.

It is an arithmetic number, because the mean of its divisors is an integer number (31210495).

Almost surely, 262420989 is an apocalyptic number.

It is an amenable number.

62420989 is a deficient number, since it is larger than the sum of its proper divisors (1).

62420989 is an equidigital number, since it uses as much as digits as its factorization.

62420989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 62420989 is about 7900.6954757160. The cubic root of 62420989 is about 396.6829629473.

The spelling of 62420989 in words is "sixty-two million, four hundred twenty thousand, nine hundred eighty-nine".