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229538452 = 22112131912
BaseRepresentation
bin11011010111001…
…11101010010100
3120222220202120011
431223213222110
5432230212302
634435450004
75455021213
oct1553475224
9528822504
10229538452
11108628700
1264a56904
133872a190
14226b107a
15152415d7
hexdae7a94

229538452 has 54 divisors (see below), whose sum is σ = 477995882. Its totient is φ = 95805600.

The previous prime is 229538447. The next prime is 229538461. The reversal of 229538452 is 254835922.

It can be written as a sum of positive squares in only one way, i.e., 158911236 + 70627216 = 12606^2 + 8404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1201677 + ... + 1201867.

Almost surely, 2229538452 is an apocalyptic number.

229538452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

229538452 is an abundant number, since it is smaller than the sum of its proper divisors (248457430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229538452 is a wasteful number, since it uses less digits than its factorization.

229538452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 217 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 229538452 is about 15150.5264594997. The cubic root of 229538452 is about 612.2824567990.

The spelling of 229538452 in words is "two hundred twenty-nine million, five hundred thirty-eight thousand, four hundred fifty-two".

Divisors: 1 2 4 11 13 22 26 44 52 121 143 191 242 286 382 484 572 764 1573 2101 2483 3146 4202 4966 6292 8404 9932 23111 27313 36481 46222 54626 72962 92444 109252 145924 300443 401291 474253 600886 802582 948506 1201772 1605164 1897012 4414201 5216783 8828402 10433566 17656804 20867132 57384613 114769226 229538452