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229260857 = 73838053
BaseRepresentation
bin11011010101000…
…11111000111001
3120222101122202212
431222203320321
5432142321412
634425504505
75452454000
oct1552437071
9528348685
10229260857
11108459091
1264942135
1338660a17
142263bc37
15151d9222
hexdaa3e39

229260857 has 16 divisors (see below), whose sum is σ = 270614400. Its totient is φ = 194117616.

The previous prime is 229260853. The next prime is 229260883. The reversal of 229260857 is 758062922.

It is not a de Polignac number, because 229260857 - 22 = 229260853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229260853) 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, 24443 + ... + 32495.

It is an arithmetic number, because the mean of its divisors is an integer number (16913400).

Almost surely, 2229260857 is an apocalyptic number.

It is an amenable number.

229260857 is a deficient number, since it is larger than the sum of its proper divisors (41353543).

229260857 is an frugal number, since it uses more digits than its factorization.

229260857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157 (or 8143 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 229260857 is about 15141.3624552086. The cubic root of 229260857 is about 612.0355335926.

The spelling of 229260857 in words is "two hundred twenty-nine million, two hundred sixty thousand, eight hundred fifty-seven".

Divisors: 1 7 49 83 343 581 4067 8053 28469 56371 394597 668399 2762179 4678793 32751551 229260857