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229870542 = 23113482887
BaseRepresentation
bin11011011001110…
…00101111001110
3121000112122002210
431230320233032
5432321324132
634450531250
75460603336
oct1554705716
9530478083
10229870542
11108835160
1264b96b26
1338815395
142275a0c6
15152a9bcc
hexdb38bce

229870542 has 16 divisors (see below), whose sum is σ = 501535872. Its totient is φ = 69657720.

The previous prime is 229870541. The next prime is 229870567. The reversal of 229870542 is 245078922.

229870542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 229870542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229870541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1741378 + ... + 1741509.

It is an arithmetic number, because the mean of its divisors is an integer number (31345992).

Almost surely, 2229870542 is an apocalyptic number.

229870542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

229870542 is an abundant number, since it is smaller than the sum of its proper divisors (271665330).

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

229870542 is a wasteful number, since it uses less digits than its factorization.

229870542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482903.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 229870542 is about 15161.4821834806. The cubic root of 229870542 is about 612.5775923914.

The spelling of 229870542 in words is "two hundred twenty-nine million, eight hundred seventy thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 3482887 6965774 10448661 20897322 38311757 76623514 114935271 229870542