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62801993 is a prime number
BaseRepresentation
bin1110111110010…
…0100001001001
311101011200010202
43233210201021
5112034130433
610122021545
71361544122
oct357444111
9141150122
1062801993
11324a5081
12190478b5
131001b457
1484ab049
1557a7ee8
hex3be4849

62801993 has 2 divisors, whose sum is σ = 62801994. Its totient is φ = 62801992.

The previous prime is 62801969. The next prime is 62802031. The reversal of 62801993 is 39910826.

62801993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (62802031) can be obtained adding 62801993 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54804409 + 7997584 = 7403^2 + 2828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-62801993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (62801903) 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, 31400996 + 31400997.

It is an arithmetic number, because the mean of its divisors is an integer number (31400997).

Almost surely, 262801993 is an apocalyptic number.

It is an amenable number.

62801993 is a deficient number, since it is larger than the sum of its proper divisors (1).

62801993 is an equidigital number, since it uses as much as digits as its factorization.

62801993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 62801993 is about 7924.7708484221. The cubic root of 62801993 is about 397.4884149413.

The spelling of 62801993 in words is "sixty-two million, eight hundred one thousand, nine hundred ninety-three".