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229818545 = 5114178519
BaseRepresentation
bin11011011001011…
…00000010110001
3121000102222202222
431230230002301
5432313143140
634445450425
75460265625
oct1554540261
9530388688
10229818545
111087aa090
1264b70a15
13387c7808
1422745185
15152995b5
hexdb2c0b1

229818545 has 8 divisors (see below), whose sum is σ = 300853440. Its totient is φ = 167140720.

The previous prime is 229818521. The next prime is 229818557. The reversal of 229818545 is 545818922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229818545 - 26 = 229818481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229818496 and 229818505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089205 + ... + 2089314.

It is an arithmetic number, because the mean of its divisors is an integer number (37606680).

Almost surely, 2229818545 is an apocalyptic number.

It is an amenable number.

229818545 is a deficient number, since it is larger than the sum of its proper divisors (71034895).

229818545 is a wasteful number, since it uses less digits than its factorization.

229818545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178535.

The product of its digits is 230400, while the sum is 44.

The square root of 229818545 is about 15159.7673135177. The cubic root of 229818545 is about 612.5314003061.

The spelling of 229818545 in words is "two hundred twenty-nine million, eight hundred eighteen thousand, five hundred forty-five".

Divisors: 1 5 11 55 4178519 20892595 45963709 229818545