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61057241 = 7194111197
BaseRepresentation
bin1110100011101…
…0100011011001
311020220000210022
43220322203121
5111112312431
610020400225
71340656310
oct350724331
9136800708
1061057241
1131513233
1218546075
13c85a25b
148175277
15556107b
hex3a3a8d9

61057241 has 16 divisors (see below), whose sum is σ = 75250560. Its totient is φ = 48366720.

The previous prime is 61057229. The next prime is 61057247. The reversal of 61057241 is 14275016.

It is a cyclic number.

It is not a de Polignac number, because 61057241 - 214 = 61040857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61057241.

It is not an unprimeable number, because it can be changed into a prime (61057247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (4703160).

Almost surely, 261057241 is an apocalyptic number.

It is an amenable number.

61057241 is a deficient number, since it is larger than the sum of its proper divisors (14193319).

61057241 is a wasteful number, since it uses less digits than its factorization.

61057241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 61057241 is about 7813.9132961660. The cubic root of 61057241 is about 393.7728104363.

The spelling of 61057241 in words is "sixty-one million, fifty-seven thousand, two hundred forty-one".

Divisors: 1 7 19 41 133 287 779 5453 11197 78379 212743 459077 1489201 3213539 8722463 61057241