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1054559945 = 51911100631
BaseRepresentation
bin111110110110110…
…100111011001001
32201111100012021202
4332312310323021
54124431404240
6252350513545
735063416535
oct7666647311
92644305252
101054559945
114a12a954a
122552058b5
1313a630c8a
14a00b0bc5
15628ac315
hex3edb4ec9

1054559945 has 8 divisors (see below), whose sum is σ = 1332075840. Its totient is φ = 799245360.

The previous prime is 1054559927. The next prime is 1054559951. The reversal of 1054559945 is 5499554501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1054559945 - 26 = 1054559881 is a prime.

It is a super-2 number, since 2×10545599452 = 2224193355196806050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054559945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5550221 + ... + 5550410.

It is an arithmetic number, because the mean of its divisors is an integer number (166509480).

Almost surely, 21054559945 is an apocalyptic number.

It is an amenable number.

1054559945 is a deficient number, since it is larger than the sum of its proper divisors (277515895).

1054559945 is a wasteful number, since it uses less digits than its factorization.

1054559945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100655.

The product of its (nonzero) digits is 810000, while the sum is 47.

The square root of 1054559945 is about 32473.9887448401. The cubic root of 1054559945 is about 1017.8655690085.

The spelling of 1054559945 in words is "one billion, fifty-four million, five hundred fifty-nine thousand, nine hundred forty-five".

Divisors: 1 5 19 95 11100631 55503155 210911989 1054559945