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51194241 = 337594591
BaseRepresentation
bin1100001101001…
…0100110000001
310120022221022000
43003102212001
5101101203431
65025134213
71161100230
oct303224601
9116287260
1051194241
1126996a9a
121518a369
13a7b5b67
146b28b17
1547639e6
hex30d2981

51194241 has 32 divisors (see below), whose sum is σ = 88166400. Its totient is φ = 28751760.

The previous prime is 51194239. The next prime is 51194261. The reversal of 51194241 is 14249115.

It is not a de Polignac number, because 51194241 - 21 = 51194239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51194261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8856 + ... + 13446.

It is an arithmetic number, because the mean of its divisors is an integer number (2755200).

Almost surely, 251194241 is an apocalyptic number.

It is an amenable number.

51194241 is a deficient number, since it is larger than the sum of its proper divisors (36972159).

51194241 is a wasteful number, since it uses less digits than its factorization.

51194241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666 (or 4660 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 51194241 is about 7155.0150943237. The cubic root of 51194241 is about 371.3131838180.

The spelling of 51194241 in words is "fifty-one million, one hundred ninety-four thousand, two hundred forty-one".

Divisors: 1 3 7 9 21 27 59 63 177 189 413 531 1239 1593 3717 4591 11151 13773 32137 41319 96411 123957 270869 289233 812607 867699 1896083 2437821 5688249 7313463 17064747 51194241