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61005241 = 1129312199
BaseRepresentation
bin1110100010110…
…1110110111001
311020210101110101
43220231312321
5111104131431
610015315401
71340351563
oct350556671
9136711411
1061005241
1131488160
121851bb61
13c83c69b
148160333
155550961
hex3a2ddb9

61005241 has 24 divisors (see below), whose sum is σ = 71496000. Its totient is φ = 51559200.

The previous prime is 61005211. The next prime is 61005247. The reversal of 61005241 is 14250016.

It is not a de Polignac number, because 61005241 - 225 = 27450809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61005247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306460 + ... + 306658.

It is an arithmetic number, because the mean of its divisors is an integer number (2979000).

Almost surely, 261005241 is an apocalyptic number.

It is an amenable number.

61005241 is a deficient number, since it is larger than the sum of its proper divisors (10490759).

61005241 is a wasteful number, since it uses less digits than its factorization.

61005241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 61005241 is about 7810.5851893440. The cubic root of 61005241 is about 393.6609918572.

Adding to 61005241 its reverse (14250016), we get a palindrome (75255257).

The spelling of 61005241 in words is "sixty-one million, five thousand, two hundred forty-one".

Divisors: 1 11 29 31 199 319 341 899 961 2189 5771 6169 9889 10571 27869 63481 67859 178901 191239 306559 1967911 2103629 5545931 61005241