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56245003 = 186130223
BaseRepresentation
bin1101011010001…
…1101100001011
310220211112122021
43112203230023
5103344320003
65325305311
71252034413
oct326435413
9126745567
1056245003
1129826781
1216a05237
13b863a89
147681643
154e102bd
hex35a3b0b

56245003 has 4 divisors (see below), whose sum is σ = 56277088. Its totient is φ = 56212920.

The previous prime is 56244983. The next prime is 56245037. The reversal of 56245003 is 30054265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30054265 = 56010853.

It is a cyclic number.

It is not a de Polignac number, because 56245003 - 25 = 56244971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56245403) 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, 13251 + ... + 16972.

It is an arithmetic number, because the mean of its divisors is an integer number (14069272).

Almost surely, 256245003 is an apocalyptic number.

56245003 is a deficient number, since it is larger than the sum of its proper divisors (32085).

56245003 is a wasteful number, since it uses less digits than its factorization.

56245003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32084.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 56245003 is about 7499.6668592678. Note that the first 3 decimals coincide. The cubic root of 56245003 is about 383.1433699401.

Adding to 56245003 its reverse (30054265), we get a palindrome (86299268).

The spelling of 56245003 in words is "fifty-six million, two hundred forty-five thousand, three".

Divisors: 1 1861 30223 56245003