Search a number
-
+
225193597 = 1697132701
BaseRepresentation
bin11010110110000…
…10111001111101
3120200202000112121
431123002321331
5430122143342
634202402541
75403054046
oct1533027175
9520660477
10225193597
11106130312
1263500451
1337868665
1421c9d8cd
1514b84067
hexd6c2e7d

225193597 has 4 divisors (see below), whose sum is σ = 225327996. Its totient is φ = 225059200.

The previous prime is 225193589. The next prime is 225193601. The reversal of 225193597 is 795391522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 194490916 + 30702681 = 13946^2 + 5541^2 .

It is a cyclic number.

It is not a de Polignac number, because 225193597 - 23 = 225193589 is a prime.

It is a super-2 number, since 2×2251935972 = 101424312259596818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225193697) 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 3 ways as a sum of consecutive naturals, for example, 64654 + ... + 68047.

It is an arithmetic number, because the mean of its divisors is an integer number (56331999).

Almost surely, 2225193597 is an apocalyptic number.

It is an amenable number.

225193597 is a deficient number, since it is larger than the sum of its proper divisors (134399).

225193597 is a wasteful number, since it uses less digits than its factorization.

225193597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134398.

The product of its digits is 170100, while the sum is 43.

The square root of 225193597 is about 15006.4518457895. The cubic root of 225193597 is about 608.3945934096.

The spelling of 225193597 in words is "two hundred twenty-five million, one hundred ninety-three thousand, five hundred ninety-seven".

Divisors: 1 1697 132701 225193597