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61301069 is a prime number
BaseRepresentation
bin1110100111011…
…0000101001101
311021100102020222
43221312011031
5111143113234
610025521125
71343023214
oct351660515
9137312228
1061301069
113166a445
12186431a5
13c91422b
1481da07b
1555ad42e
hex3a7614d

61301069 has 2 divisors, whose sum is σ = 61301070. Its totient is φ = 61301068.

The previous prime is 61301063. The next prime is 61301089. The reversal of 61301069 is 96010316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35545444 + 25755625 = 5962^2 + 5075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61301069 is a prime.

It is a super-2 number, since 2×613010692 = 7515642121085522, which contains 22 as substring.

It is a Chen prime.

It is equal to p3634703 and since 61301069 and 3634703 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61301063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30650534 + 30650535.

It is an arithmetic number, because the mean of its divisors is an integer number (30650535).

Almost surely, 261301069 is an apocalyptic number.

It is an amenable number.

61301069 is a deficient number, since it is larger than the sum of its proper divisors (1).

61301069 is an equidigital number, since it uses as much as digits as its factorization.

61301069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 61301069 is about 7829.4999201737. The cubic root of 61301069 is about 394.2962826792.

The spelling of 61301069 in words is "sixty-one million, three hundred one thousand, sixty-nine".