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56250023 = 471196809
BaseRepresentation
bin1101011010010…
…0111010100111
310220211210112012
43112210322213
5103400000043
65325344435
71252055144
oct326447247
9126753465
1056250023
112982a525
1216a0811b
13b86614b
1476833cb
154e11a18
hex35a4ea7

56250023 has 4 divisors (see below), whose sum is σ = 57446880. Its totient is φ = 55053168.

The previous prime is 56250017. The next prime is 56250037. The reversal of 56250023 is 32005265.

It is a happy number.

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

It is not a de Polignac number, because 56250023 - 212 = 56245927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56250823) 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, 598358 + ... + 598451.

It is an arithmetic number, because the mean of its divisors is an integer number (14361720).

Almost surely, 256250023 is an apocalyptic number.

56250023 is a deficient number, since it is larger than the sum of its proper divisors (1196857).

56250023 is a wasteful number, since it uses less digits than its factorization.

56250023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196856.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 56250023 is about 7500.0015333332. The cubic root of 56250023 is about 383.1547684193.

Subtracting from 56250023 its sum of digits (23), we obtain a square (56250000 = 75002).

Adding to 56250023 its reverse (32005265), we get a palindrome (88255288).

The spelling of 56250023 in words is "fifty-six million, two hundred fifty thousand, twenty-three".

Divisors: 1 47 1196809 56250023