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243228835 = 5103472289
BaseRepresentation
bin11100111111101…
…10000010100011
3121221200022020101
432133312002203
5444231310320
640045123231
76012260653
oct1637660243
9557608211
10243228835
11115329473
1269559517
133b5116b5
1424436363
1516547c0a
hexe7f60a3

243228835 has 8 divisors (see below), whose sum is σ = 294708960. Its totient is φ = 192693504.

The previous prime is 243228833. The next prime is 243228847. The reversal of 243228835 is 538822342.

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

It is a cyclic number.

It is not a de Polignac number, because 243228835 - 21 = 243228833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243228794 and 243228803.

It is not an unprimeable number, because it can be changed into a prime (243228833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235630 + ... + 236659.

It is an arithmetic number, because the mean of its divisors is an integer number (36838620).

Almost surely, 2243228835 is an apocalyptic number.

243228835 is a deficient number, since it is larger than the sum of its proper divisors (51480125).

243228835 is a wasteful number, since it uses less digits than its factorization.

243228835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472397.

The product of its digits is 92160, while the sum is 37.

The square root of 243228835 is about 15595.7954269733. The cubic root of 243228835 is about 624.2209685795.

The spelling of 243228835 in words is "two hundred forty-three million, two hundred twenty-eight thousand, eight hundred thirty-five".

Divisors: 1 5 103 515 472289 2361445 48645767 243228835