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54021051 = 3276114057
BaseRepresentation
bin1100111000010…
…0101110111011
310202122112221200
43032010232323
5102312133201
65205505243
71224112530
oct316045673
9122575850
1054021051
11285478a7
1216112223
13b265726
147262d87
154b21386
hex3384bbb

54021051 has 24 divisors (see below), whose sum is σ = 90645984. Its totient is φ = 30360960.

The previous prime is 54021041. The next prime is 54021059. The reversal of 54021051 is 15012045.

It is not a de Polignac number, because 54021051 - 29 = 54020539 is a prime.

It is a super-2 number, since 2×540210512 = 5836547902289202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54021059) 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, 3186 + ... + 10871.

It is an arithmetic number, because the mean of its divisors is an integer number (3776916).

Almost surely, 254021051 is an apocalyptic number.

54021051 is a deficient number, since it is larger than the sum of its proper divisors (36624933).

54021051 is a wasteful number, since it uses less digits than its factorization.

54021051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14131 (or 14128 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 54021051 is about 7349.9014279104. The cubic root of 54021051 is about 378.0254245098.

Adding to 54021051 its reverse (15012045), we get a palindrome (69033096).

The spelling of 54021051 in words is "fifty-four million, twenty-one thousand, fifty-one".

Divisors: 1 3 7 9 21 61 63 183 427 549 1281 3843 14057 42171 98399 126513 295197 857477 885591 2572431 6002339 7717293 18007017 54021051