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4243550142 = 231354404489
BaseRepresentation
bin1111110011101111…
…0110111110111110
3101221201222200102210
43330323312332332
532142322101032
61541030001250
7210105403206
oct37473667676
911851880383
104243550142
111888412037
129a51a6226
13528216420
142c3831406
1519c8332cc
hexfcef6fbe

4243550142 has 16 divisors (see below), whose sum is σ = 9139954320. Its totient is φ = 1305707712.

The previous prime is 4243550141. The next prime is 4243550189. The reversal of 4243550142 is 2410553424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243550141) 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, 27202167 + ... + 27202322.

It is an arithmetic number, because the mean of its divisors is an integer number (571247145).

Almost surely, 24243550142 is an apocalyptic number.

4243550142 is an abundant number, since it is smaller than the sum of its proper divisors (4896404178).

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

4243550142 is a wasteful number, since it uses less digits than its factorization.

4243550142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54404507.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4243550142 is about 65142.5371166951. The cubic root of 4243550142 is about 1618.9860725912.

The spelling of 4243550142 in words is "four billion, two hundred forty-three million, five hundred fifty thousand, one hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 54404489 108808978 163213467 326426934 707258357 1414516714 2121775071 4243550142