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61422659 is a prime number
BaseRepresentation
bin1110101001001…
…1110001000011
311021120121001022
43222103301003
5111211011114
610032300055
71344040544
oct352236103
9137517038
1061422659
1131742831
12186a162b
13c95768c
14822c4cb
1555d448e
hex3a93c43

61422659 has 2 divisors, whose sum is σ = 61422660. Its totient is φ = 61422658.

The previous prime is 61422623. The next prime is 61422671. The reversal of 61422659 is 95622416.

It is a happy number.

61422659 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 is a cyclic number.

It is not a de Polignac number, because 61422659 - 224 = 44645443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61424659) 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, 30711329 + 30711330.

It is an arithmetic number, because the mean of its divisors is an integer number (30711330).

Almost surely, 261422659 is an apocalyptic number.

61422659 is a deficient number, since it is larger than the sum of its proper divisors (1).

61422659 is an equidigital number, since it uses as much as digits as its factorization.

61422659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 61422659 is about 7837.2609373428. The cubic root of 61422659 is about 394.5568046292.

The spelling of 61422659 in words is "sixty-one million, four hundred twenty-two thousand, six hundred fifty-nine".