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61400241 = 337324869
BaseRepresentation
bin1110101000111…
…0010010110001
311021112110022000
43222032102301
5111204301431
610032004213
71343615310
oct352162261
9137473260
1061400241
1131727a01
1218690669
13c94a406
148224277
1555cc9e6
hex3a8e4b1

61400241 has 16 divisors (see below), whose sum is σ = 103958400. Its totient is φ = 35085744.

The previous prime is 61400237. The next prime is 61400281. The reversal of 61400241 is 14200416.

61400241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61400241 - 22 = 61400237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61400231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162246 + ... + 162623.

It is an arithmetic number, because the mean of its divisors is an integer number (6497400).

Almost surely, 261400241 is an apocalyptic number.

It is an amenable number.

61400241 is a deficient number, since it is larger than the sum of its proper divisors (42558159).

61400241 is a wasteful number, since it uses less digits than its factorization.

61400241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324885 (or 324879 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 61400241 is about 7835.8305877552. The cubic root of 61400241 is about 394.5087970974.

Adding to 61400241 its reverse (14200416), we get a palindrome (75600657).

The spelling of 61400241 in words is "sixty-one million, four hundred thousand, two hundred forty-one".

Divisors: 1 3 7 9 21 27 63 189 324869 974607 2274083 2923821 6822249 8771463 20466747 61400241