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229352825 = 52133719073
BaseRepresentation
bin11011010101110…
…10010101111001
3120222120022221002
431222322111321
5432203242300
634431454345
75453316062
oct1552722571
9528508832
10229352825
11108511199
12649873b5
1338693840
1422663569
15152065d5
hexdaba579

229352825 has 24 divisors (see below), whose sum is σ = 314568408. Its totient is φ = 164782080.

The previous prime is 229352813. The next prime is 229352833. The reversal of 229352825 is 528253922.

It can be written as a sum of positive squares in 12 ways, for example, as 126877696 + 102475129 = 11264^2 + 10123^2 .

It is not a de Polignac number, because 229352825 - 220 = 228304249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2489 + ... + 21561.

It is an arithmetic number, because the mean of its divisors is an integer number (13107017).

Almost surely, 2229352825 is an apocalyptic number.

229352825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229352825 is a deficient number, since it is larger than the sum of its proper divisors (85215583).

229352825 is a wasteful number, since it uses less digits than its factorization.

229352825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19133 (or 19128 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 229352825 is about 15144.3991297113. The cubic root of 229352825 is about 612.1173620096.

The spelling of 229352825 in words is "two hundred twenty-nine million, three hundred fifty-two thousand, eight hundred twenty-five".

Divisors: 1 5 13 25 37 65 185 325 481 925 2405 12025 19073 95365 247949 476825 705701 1239745 3528505 6198725 9174113 17642525 45870565 229352825