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56181082 = 228090541
BaseRepresentation
bin1101011001010…
…0000101011010
310220201021221211
43112110011122
5103340243312
65324053334
71251350146
oct326240532
9126637854
1056181082
1129792751
121699424a
13b840959
147666226
154deb3a7
hex359415a

56181082 has 4 divisors (see below), whose sum is σ = 84271626. Its totient is φ = 28090540.

The previous prime is 56181077. The next prime is 56181101. The reversal of 56181082 is 28018165.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36012001 + 20169081 = 6001^2 + 4491^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14045269 + ... + 14045272.

Almost surely, 256181082 is an apocalyptic number.

56181082 is a deficient number, since it is larger than the sum of its proper divisors (28090544).

56181082 is a wasteful number, since it uses less digits than its factorization.

56181082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28090543.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 56181082 is about 7495.4040584881. The cubic root of 56181082 is about 382.9981707244.

The spelling of 56181082 in words is "fifty-six million, one hundred eighty-one thousand, eighty-two".

Divisors: 1 2 28090541 56181082