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229641235 = 545928247
BaseRepresentation
bin11011011000000…
…00110000010011
3121000002222112221
431230000300103
5432242004420
634442001511
75455626655
oct1554006023
9530088487
10229641235
1110869894a
1264aa6297
1338764bb5
14226da6d5
1515261caa
hexdb00c13

229641235 has 4 divisors (see below), whose sum is σ = 275569488. Its totient is φ = 183712984.

The previous prime is 229641233. The next prime is 229641257. The reversal of 229641235 is 532146922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 532146922 = 2266073461.

It is a cyclic number.

It is not a de Polignac number, because 229641235 - 21 = 229641233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 229641235.

It is not an unprimeable number, because it can be changed into a prime (229641233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22964119 + ... + 22964128.

It is an arithmetic number, because the mean of its divisors is an integer number (68892372).

Almost surely, 2229641235 is an apocalyptic number.

229641235 is a deficient number, since it is larger than the sum of its proper divisors (45928253).

229641235 is an equidigital number, since it uses as much as digits as its factorization.

229641235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45928252.

The product of its digits is 25920, while the sum is 34.

The square root of 229641235 is about 15153.9181402039. The cubic root of 229641235 is about 612.3738326829.

The spelling of 229641235 in words is "two hundred twenty-nine million, six hundred forty-one thousand, two hundred thirty-five".

Divisors: 1 5 45928247 229641235