Search a number
-
+
225246417 = 31137184477
BaseRepresentation
bin11010110110011…
…11110011010001
3120200211200222220
431123033303101
5430130341132
634203451253
75403364044
oct1533176321
9520750886
10225246417
11106166a70
1263526b29
1337886706
1421cb4c5b
1514b94a2c
hexd6cfcd1

225246417 has 16 divisors (see below), whose sum is σ = 336487872. Its totient is φ = 132822720.

The previous prime is 225246409. The next prime is 225246421. The reversal of 225246417 is 714642522.

It is not a de Polignac number, because 225246417 - 23 = 225246409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (225246407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91018 + ... + 93459.

It is an arithmetic number, because the mean of its divisors is an integer number (21030492).

Almost surely, 2225246417 is an apocalyptic number.

It is an amenable number.

225246417 is a deficient number, since it is larger than the sum of its proper divisors (111241455).

225246417 is a wasteful number, since it uses less digits than its factorization.

225246417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184528.

The product of its digits is 26880, while the sum is 33.

The square root of 225246417 is about 15008.2116522922. The cubic root of 225246417 is about 608.4421567665.

Adding to 225246417 its reverse (714642522), we get a palindrome (939888939).

It can be divided in two parts, 225 and 246417, that added together give a palindrome (246642).

The spelling of 225246417 in words is "two hundred twenty-five million, two hundred forty-six thousand, four hundred seventeen".

Divisors: 1 3 11 33 37 111 407 1221 184477 553431 2029247 6087741 6825649 20476947 75082139 225246417