Search a number
-
+
225437047 = 1183246919
BaseRepresentation
bin11010110111111…
…10010101110111
3120201012101111021
431123332111313
5430202441142
634211522011
75405116603
oct1533762567
9521171437
10225437047
11106287210
12635b9307
1337922404
1421d24503
1514bd1267
hexd6fe577

225437047 has 8 divisors (see below), whose sum is σ = 248895360. Its totient is φ = 202472760.

The previous prime is 225436997. The next prime is 225437087. The reversal of 225437047 is 740734522.

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

It is a cyclic number.

It is not a de Polignac number, because 225437047 - 223 = 217048439 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 (225437087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122547 + ... + 124372.

It is an arithmetic number, because the mean of its divisors is an integer number (31111920).

Almost surely, 2225437047 is an apocalyptic number.

225437047 is a deficient number, since it is larger than the sum of its proper divisors (23458313).

225437047 is a wasteful number, since it uses less digits than its factorization.

225437047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247013.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 225437047 is about 15014.5611657484. The cubic root of 225437047 is about 608.6137534628.

The spelling of 225437047 in words is "two hundred twenty-five million, four hundred thirty-seven thousand, forty-seven".

Divisors: 1 11 83 913 246919 2716109 20494277 225437047