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225423202 = 2161369877
BaseRepresentation
bin11010110111110…
…10111101100010
3120201011200111111
431123322331202
5430202020302
634211333534
75405031334
oct1533727542
9521150444
10225423202
11106277874
12635b12aa
1337919014
1421d1d454
1514bcc0d7
hexd6faf62

225423202 has 8 divisors (see below), whose sum is σ = 338349276. Its totient is φ = 112640112.

The previous prime is 225423199. The next prime is 225423217. The reversal of 225423202 is 202324522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 210221001 + 15202201 = 14499^2 + 3899^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31713 + ... + 38164.

Almost surely, 2225423202 is an apocalyptic number.

225423202 is a deficient number, since it is larger than the sum of its proper divisors (112926074).

225423202 is a wasteful number, since it uses less digits than its factorization.

225423202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71492.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 225423202 is about 15014.1001062335. The cubic root of 225423202 is about 608.6012940644.

Adding to 225423202 its reverse (202324522), we get a palindrome (427747724).

It can be divided in two parts, 225423 and 202, that added together give a square (225625 = 4752).

The spelling of 225423202 in words is "two hundred twenty-five million, four hundred twenty-three thousand, two hundred two".

Divisors: 1 2 1613 3226 69877 139754 112711601 225423202