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61058771 = 1972811103
BaseRepresentation
bin1110100011101…
…0111011010011
311020220002212222
43220322323103
5111112340041
610020411255
71340663624
oct350727323
9136802788
1061058771
11315143a4
1218546b2b
13c85ab67
148175a4b
15556174b
hex3a3aed3

61058771 has 8 divisors (see below), whose sum is σ = 61642944. Its totient is φ = 60477760.

The previous prime is 61058749. The next prime is 61058773. The reversal of 61058771 is 17785016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61058771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61058773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54806 + ... + 55908.

It is an arithmetic number, because the mean of its divisors is an integer number (7705368).

Almost surely, 261058771 is an apocalyptic number.

61058771 is a deficient number, since it is larger than the sum of its proper divisors (584173).

61058771 is a wasteful number, since it uses less digits than its factorization.

61058771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 61058771 is about 7814.0111978420. The cubic root of 61058771 is about 393.7760995213.

The spelling of 61058771 in words is "sixty-one million, fifty-eight thousand, seven hundred seventy-one".

Divisors: 1 197 281 1103 55357 217291 309943 61058771