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56378898 = 2323784653
BaseRepresentation
bin1101011100010…
…0011000010010
310221002100022100
43113010120102
5103413111043
65332221230
71253132652
oct327043022
9127070270
1056378898
1129908334
1216a6a816
13b8ac9c4
1476b8362
154e39cd3
hex35c4612

56378898 has 24 divisors (see below), whose sum is σ = 125457228. Its totient is φ = 18284832.

The previous prime is 56378893. The next prime is 56378923. The reversal of 56378898 is 89887365.

It is a happy number.

56378898 is a `hidden beast` number, since 563 + 78 + 8 + 9 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56205009 + 173889 = 7497^2 + 417^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56378893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41661 + ... + 42992.

Almost surely, 256378898 is an apocalyptic number.

56378898 is an abundant number, since it is smaller than the sum of its proper divisors (69078330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56378898 is a wasteful number, since it uses less digits than its factorization.

56378898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84698 (or 84695 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 56378898 is about 7508.5882827599. The cubic root of 56378898 is about 383.4471618271.

It can be divided in two parts, 5637 and 8898, that added together give a triangular number (14535 = T170).

The spelling of 56378898 in words is "fifty-six million, three hundred seventy-eight thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 84653 169306 253959 507918 761877 1523754 3132161 6264322 9396483 18792966 28189449 56378898