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61079189 is a prime number
BaseRepresentation
bin1110100011111…
…1111010010101
311020221010220012
43220333322111
5111114013224
610021050005
71341110303
oct350777225
9136833805
1061079189
1131528776
1218556905
13c867242
14817d273
15556780e
hex3a3fe95

61079189 has 2 divisors, whose sum is σ = 61079190. Its totient is φ = 61079188.

The previous prime is 61079177. The next prime is 61079201. The reversal of 61079189 is 98197016.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (61079177) and next prime (61079201).

It can be written as a sum of positive squares in only one way, i.e., 60575089 + 504100 = 7783^2 + 710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61079189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61079159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30539594 + 30539595.

It is an arithmetic number, because the mean of its divisors is an integer number (30539595).

Almost surely, 261079189 is an apocalyptic number.

It is an amenable number.

61079189 is a deficient number, since it is larger than the sum of its proper divisors (1).

61079189 is an equidigital number, since it uses as much as digits as its factorization.

61079189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 61079189 is about 7815.3175879167. The cubic root of 61079189 is about 393.8199874249.

The spelling of 61079189 in words is "sixty-one million, seventy-nine thousand, one hundred eighty-nine".