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229840293 = 3314752583
BaseRepresentation
bin11011011001100…
…01010110100101
3121000111002121110
431230301112211
5432314342133
634450135233
75460416214
oct1554612645
9530432543
10229840293
11108814461
1264b81519
1338804697
142274d07b
15152a0c63
hexdb315a5

229840293 has 16 divisors (see below), whose sum is σ = 323076096. Its totient is φ = 145126320.

The previous prime is 229840279. The next prime is 229840333. The reversal of 229840293 is 392048922.

It is a happy number.

It is not a de Polignac number, because 229840293 - 26 = 229840229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229840693) 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, 21921 + ... + 30662.

It is an arithmetic number, because the mean of its divisors is an integer number (20192256).

Almost surely, 2229840293 is an apocalyptic number.

It is an amenable number.

229840293 is a deficient number, since it is larger than the sum of its proper divisors (93235803).

229840293 is a wasteful number, since it uses less digits than its factorization.

229840293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52664.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 229840293 is about 15160.4845898804. The cubic root of 229840293 is about 612.5507212196.

The spelling of 229840293 in words is "two hundred twenty-nine million, eight hundred forty thousand, two hundred ninety-three".

Divisors: 1 3 31 47 93 141 1457 4371 52583 157749 1630073 2471401 4890219 7414203 76613431 229840293