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225498297 = 3347216617
BaseRepresentation
bin11010111000011…
…01010010111001
3120201022111111210
431130031102321
5430211421142
634213113333
75405463303
oct1534152271
9521274453
10225498297
11106319232
1263628849
133794425b
1421d3c973
1514be449c
hexd70d4b9

225498297 has 8 divisors (see below), whose sum is σ = 301532256. Its totient is φ = 149898272.

The previous prime is 225498281. The next prime is 225498337. The reversal of 225498297 is 792894522.

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 225498297 - 24 = 225498281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225498257) 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, 107268 + ... + 109349.

It is an arithmetic number, because the mean of its divisors is an integer number (37691532).

Almost surely, 2225498297 is an apocalyptic number.

It is an amenable number.

225498297 is a deficient number, since it is larger than the sum of its proper divisors (76033959).

225498297 is a wasteful number, since it uses less digits than its factorization.

225498297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216967.

The product of its digits is 725760, while the sum is 48.

The square root of 225498297 is about 15016.6007138766. The cubic root of 225498297 is about 608.6688674697.

The spelling of 225498297 in words is "two hundred twenty-five million, four hundred ninety-eight thousand, two hundred ninety-seven".

Divisors: 1 3 347 1041 216617 649851 75166099 225498297