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225352515 = 35118112721
BaseRepresentation
bin11010110111010…
…01101101000011
3120201001002112110
431123221231003
5430142240030
634210030403
75404315263
oct1533515503
9521032473
10225352515
11106229753
1263578403
13378c2aab
1421d017a3
1514bb61b0
hexd6e9b43

225352515 has 16 divisors (see below), whose sum is σ = 360897696. Its totient is φ = 120076800.

The previous prime is 225352511. The next prime is 225352531. The reversal of 225352515 is 515253522.

It is not a de Polignac number, because 225352515 - 22 = 225352511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225352511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11355 + ... + 24075.

It is an arithmetic number, because the mean of its divisors is an integer number (22556106).

Almost surely, 2225352515 is an apocalyptic number.

225352515 is a deficient number, since it is larger than the sum of its proper divisors (135545181).

225352515 is a wasteful number, since it uses less digits than its factorization.

225352515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13910.

The product of its digits is 15000, while the sum is 30.

The square root of 225352515 is about 15011.7459011269. The cubic root of 225352515 is about 608.5376734363.

The spelling of 225352515 in words is "two hundred twenty-five million, three hundred fifty-two thousand, five hundred fifteen".

Divisors: 1 3 5 15 1181 3543 5905 12721 17715 38163 63605 190815 15023501 45070503 75117505 225352515