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61017293 is a prime number
BaseRepresentation
bin1110100011000…
…0110011001101
311020210222222202
43220300303031
5111110023133
610015451245
71340431661
oct350606315
9136728882
1061017293
1131496217
1218526b25
13c84500c
1481648a1
1555542e8
hex3a30ccd

61017293 has 2 divisors, whose sum is σ = 61017294. Its totient is φ = 61017292.

The previous prime is 61017289. The next prime is 61017317. The reversal of 61017293 is 39271016.

61017293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34833604 + 26183689 = 5902^2 + 5117^2 .

It is a cyclic number.

It is not a de Polignac number, because 61017293 - 22 = 61017289 is a prime.

It is a super-2 number, since 2×610172932 = 7446220090095698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61017223) 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, 30508646 + 30508647.

It is an arithmetic number, because the mean of its divisors is an integer number (30508647).

Almost surely, 261017293 is an apocalyptic number.

It is an amenable number.

61017293 is a deficient number, since it is larger than the sum of its proper divisors (1).

61017293 is an equidigital number, since it uses as much as digits as its factorization.

61017293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 61017293 is about 7811.3566683387. The cubic root of 61017293 is about 393.6869136184.

The spelling of 61017293 in words is "sixty-one million, seventeen thousand, two hundred ninety-three".