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56380461 = 371264697
BaseRepresentation
bin1101011100010…
…0110000101101
310221002102110020
43113010300231
5103413133321
65332232353
71253140344
oct327046055
9127072406
1056380461
1129909525
1216a6b6b9
13b8b0627
1476b8b5b
154e3a4c6
hex35c4c2d

56380461 has 8 divisors (see below), whose sum is σ = 76233024. Its totient is φ = 37057440.

The previous prime is 56380447. The next prime is 56380463. The reversal of 56380461 is 16408365.

56380461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56380461 - 26 = 56380397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56380463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132136 + ... + 132561.

It is an arithmetic number, because the mean of its divisors is an integer number (9529128).

Almost surely, 256380461 is an apocalyptic number.

It is an amenable number.

56380461 is a deficient number, since it is larger than the sum of its proper divisors (19852563).

56380461 is a wasteful number, since it uses less digits than its factorization.

56380461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264771.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 56380461 is about 7508.6923628552. The cubic root of 56380461 is about 383.4507052473.

The spelling of 56380461 in words is "fifty-six million, three hundred eighty thousand, four hundred sixty-one".

Divisors: 1 3 71 213 264697 794091 18793487 56380461