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61422671 is a prime number
BaseRepresentation
bin1110101001001…
…1110001001111
311021120121001202
43222103301033
5111211011141
610032300115
71344040562
oct352236117
9137517052
1061422671
1131742842
12186a163b
13c95769b
14822c4d9
1555d449b
hex3a93c4f

61422671 has 2 divisors, whose sum is σ = 61422672. Its totient is φ = 61422670.

The previous prime is 61422659. The next prime is 61422709. The reversal of 61422671 is 17622416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61422671 - 26 = 61422607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61422271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30711335 + 30711336.

It is an arithmetic number, because the mean of its divisors is an integer number (30711336).

Almost surely, 261422671 is an apocalyptic number.

61422671 is a deficient number, since it is larger than the sum of its proper divisors (1).

61422671 is an equidigital number, since it uses as much as digits as its factorization.

61422671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 61422671 is about 7837.2617029164. The cubic root of 61422671 is about 394.5568303238.

The spelling of 61422671 in words is "sixty-one million, four hundred twenty-two thousand, six hundred seventy-one".