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225580393 = 241193563
BaseRepresentation
bin11010111001000…
…01010101101001
3120201110200010101
431130201111221
5430222033033
634214545401
75406254533
oct1534412551
9521420111
10225580393
11106374985
1263668261
133797272c
1421d60853
1514c0d97d
hexd721569

225580393 has 4 divisors (see below), whose sum is σ = 225676368. Its totient is φ = 225484420.

The previous prime is 225580373. The next prime is 225580457. The reversal of 225580393 is 393085522.

225580393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225580393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225580373) 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, 44371 + ... + 49192.

It is an arithmetic number, because the mean of its divisors is an integer number (56419092).

Almost surely, 2225580393 is an apocalyptic number.

It is an amenable number.

225580393 is a deficient number, since it is larger than the sum of its proper divisors (95975).

225580393 is an equidigital number, since it uses as much as digits as its factorization.

225580393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95974.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 225580393 is about 15019.3339732493. Note that the first 3 decimals coincide. The cubic root of 225580393 is about 608.7427234843.

The spelling of 225580393 in words is "two hundred twenty-five million, five hundred eighty thousand, three hundred ninety-three".

Divisors: 1 2411 93563 225580393