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56045546 = 2157178489
BaseRepresentation
bin1101010111001…
…0111111101010
310220110102000222
43111302333222
5103321424141
65321130042
71250244044
oct325627752
9126412028
1056045546
11296aa937
1216929922
13b7c405b
14762ca94
154dc114b
hex3572fea

56045546 has 8 divisors (see below), whose sum is σ = 84604260. Its totient is φ = 27844128.

The previous prime is 56045543. The next prime is 56045557. The reversal of 56045546 is 64554065.

It can be written as a sum of positive squares in 2 ways, for example, as 48455521 + 7590025 = 6961^2 + 2755^2 .

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

It is a super-2 number, since 2×560455462 = 6282206452876232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56045543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88931 + ... + 89558.

Almost surely, 256045546 is an apocalyptic number.

56045546 is a deficient number, since it is larger than the sum of its proper divisors (28558714).

56045546 is a wasteful number, since it uses less digits than its factorization.

56045546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178648.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 56045546 is about 7486.3573251616. The cubic root of 56045546 is about 382.6899303089.

The spelling of 56045546 in words is "fifty-six million, forty-five thousand, five hundred forty-six".

Divisors: 1 2 157 314 178489 356978 28022773 56045546