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56426201 = 134340477
BaseRepresentation
bin1101011100111…
…1111011011001
310221011202012022
43113033323121
5103421114301
65333224225
71253420606
oct327177331
9127152168
1056426201
112993a927
1216a92075
13b8c83b0
1476cb6ad
154e48d1b
hex35cfed9

56426201 has 4 divisors (see below), whose sum is σ = 60766692. Its totient is φ = 52085712.

The previous prime is 56426197. The next prime is 56426297. The reversal of 56426201 is 10262465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10262465 = 52052493.

It can be written as a sum of positive squares in 2 ways, for example, as 25512601 + 30913600 = 5051^2 + 5560^2 .

It is a cyclic number.

It is not a de Polignac number, because 56426201 - 22 = 56426197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56426101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170226 + ... + 2170251.

It is an arithmetic number, because the mean of its divisors is an integer number (15191673).

Almost surely, 256426201 is an apocalyptic number.

It is an amenable number.

56426201 is a deficient number, since it is larger than the sum of its proper divisors (4340491).

56426201 is a wasteful number, since it uses less digits than its factorization.

56426201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340490.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 56426201 is about 7511.7375486634. The cubic root of 56426201 is about 383.5543717428.

Adding to 56426201 its reverse (10262465), we get a palindrome (66688666).

The spelling of 56426201 in words is "fifty-six million, four hundred twenty-six thousand, two hundred one".

Divisors: 1 13 4340477 56426201