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61734193 is a prime number
BaseRepresentation
bin1110101101111…
…1110100110001
311022011102101121
43223133310301
5111300443233
610043102241
71346506033
oct353376461
9138142347
1061734193
11319358a4
1218811981
13ca36411
1482adc53
15564692d
hex3adfd31

61734193 has 2 divisors, whose sum is σ = 61734194. Its totient is φ = 61734192.

The previous prime is 61734161. The next prime is 61734223. The reversal of 61734193 is 39143716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54937744 + 6796449 = 7412^2 + 2607^2 .

It is a cyclic number.

It is not a de Polignac number, because 61734193 - 25 = 61734161 is a prime.

It is a super-2 number, since 2×617341932 = 7622221170722498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61734133) 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, 30867096 + 30867097.

It is an arithmetic number, because the mean of its divisors is an integer number (30867097).

Almost surely, 261734193 is an apocalyptic number.

It is an amenable number.

61734193 is a deficient number, since it is larger than the sum of its proper divisors (1).

61734193 is an equidigital number, since it uses as much as digits as its factorization.

61734193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 61734193 is about 7857.1109830522. The cubic root of 61734193 is about 395.2227403669. Note that the first 3 decimals are identical.

The spelling of 61734193 in words is "sixty-one million, seven hundred thirty-four thousand, one hundred ninety-three".