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54201257 = 114927387
BaseRepresentation
bin1100111011000…
…0101110101001
310202222201010222
43032300232221
5102333420012
65213415425
71225463105
oct316605651
9122881128
1054201257
1128660230
121619a575
13b2c9766
1472ac905
154b59972
hex33b0ba9

54201257 has 4 divisors (see below), whose sum is σ = 59128656. Its totient is φ = 49273860.

The previous prime is 54201229. The next prime is 54201269. The reversal of 54201257 is 75210245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54201257 - 212 = 54197161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54201227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2463683 + ... + 2463704.

It is an arithmetic number, because the mean of its divisors is an integer number (14782164).

Almost surely, 254201257 is an apocalyptic number.

It is an amenable number.

54201257 is a deficient number, since it is larger than the sum of its proper divisors (4927399).

54201257 is a wasteful number, since it uses less digits than its factorization.

54201257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927398.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 54201257 is about 7362.1502972977. The cubic root of 54201257 is about 378.4453030556.

The spelling of 54201257 in words is "fifty-four million, two hundred one thousand, two hundred fifty-seven".

Divisors: 1 11 4927387 54201257