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61471741 is a prime number
BaseRepresentation
bin1110101001111…
…1101111111101
311021200002101011
43222133233331
5111214043431
610033315221
71344333622
oct352375775
9137602334
1061471741
11317766a1
1218705b11
13c973b16
148242349
1555e3cb1
hex3a9fbfd

61471741 has 2 divisors, whose sum is σ = 61471742. Its totient is φ = 61471740.

The previous prime is 61471733. The next prime is 61471747. The reversal of 61471741 is 14717416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60140025 + 1331716 = 7755^2 + 1154^2 .

It is a cyclic number.

It is not a de Polignac number, because 61471741 - 23 = 61471733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61471747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30735870 + 30735871.

It is an arithmetic number, because the mean of its divisors is an integer number (30735871).

Almost surely, 261471741 is an apocalyptic number.

It is an amenable number.

61471741 is a deficient number, since it is larger than the sum of its proper divisors (1).

61471741 is an equidigital number, since it uses as much as digits as its factorization.

61471741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 61471741 is about 7840.3916356264. The cubic root of 61471741 is about 394.6618716160.

The spelling of 61471741 in words is "sixty-one million, four hundred seventy-one thousand, seven hundred forty-one".