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61485943 is a prime number
BaseRepresentation
bin1110101010001…
…1001101110111
311021200210212011
43222203031313
5111220022233
610033505051
71344423211
oct352431567
9137623764
1061485943
1131786332
1218712187
13c97a41c
1482475b1
1555e80cd
hex3aa3377

61485943 has 2 divisors, whose sum is σ = 61485944. Its totient is φ = 61485942.

The previous prime is 61485913. The next prime is 61485959. The reversal of 61485943 is 34958416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61485943 - 213 = 61477751 is a prime.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 61485896 and 61485905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61485913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30742971 + 30742972.

It is an arithmetic number, because the mean of its divisors is an integer number (30742972).

Almost surely, 261485943 is an apocalyptic number.

61485943 is a deficient number, since it is larger than the sum of its proper divisors (1).

61485943 is an equidigital number, since it uses as much as digits as its factorization.

61485943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 61485943 is about 7841.2972778744. The cubic root of 61485943 is about 394.6922625795.

The spelling of 61485943 in words is "sixty-one million, four hundred eighty-five thousand, nine hundred forty-three".