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61343393 is a prime number
BaseRepresentation
bin1110101000000…
…0011010100001
311021102120022112
43222000122201
5111200442033
610030445105
71343260466
oct352003241
9137376275
1061343393
1131699221
1218663795
13c92a587
14820b66d
1555bac48
hex3a806a1

61343393 has 2 divisors, whose sum is σ = 61343394. Its totient is φ = 61343392.

The previous prime is 61343383. The next prime is 61343423. The reversal of 61343393 is 39334316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32913169 + 28430224 = 5737^2 + 5332^2 .

It is a cyclic number.

It is not a de Polignac number, because 61343393 - 24 = 61343377 is a prime.

It is not a weakly prime, because it can be changed into another prime (61343353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30671696 + 30671697.

It is an arithmetic number, because the mean of its divisors is an integer number (30671697).

Almost surely, 261343393 is an apocalyptic number.

It is an amenable number.

61343393 is a deficient number, since it is larger than the sum of its proper divisors (1).

61343393 is an equidigital number, since it uses as much as digits as its factorization.

61343393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 32.

The square root of 61343393 is about 7832.2023084188. The cubic root of 61343393 is about 394.3870062558.

The spelling of 61343393 in words is "sixty-one million, three hundred forty-three thousand, three hundred ninety-three".