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143420548 = 22231558919
BaseRepresentation
bin10001000110001…
…10110010000100
3100222212112000011
420203012302010
5243203424143
622122000004
73361024465
oct1043066204
9328775004
10143420548
1173a58a87
1240046004
132393723b
1415094d6c
15c8cee9d
hex88c6c84

143420548 has 12 divisors (see below), whose sum is σ = 261898560. Its totient is φ = 68592392.

The previous prime is 143420533. The next prime is 143420549. The reversal of 143420548 is 845024341.

143420548 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (143420549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779368 + ... + 779551.

It is an arithmetic number, because the mean of its divisors is an integer number (21824880).

Almost surely, 2143420548 is an apocalyptic number.

It is an amenable number.

143420548 is a deficient number, since it is larger than the sum of its proper divisors (118478012).

143420548 is a wasteful number, since it uses less digits than its factorization.

143420548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558946 (or 1558944 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 143420548 is about 11975.8318291466. The cubic root of 143420548 is about 523.4442810016. Note that the first 3 decimals are identical.

Adding to 143420548 its reverse (845024341), we get a palindrome (988444889).

The spelling of 143420548 in words is "one hundred forty-three million, four hundred twenty thousand, five hundred forty-eight".

Divisors: 1 2 4 23 46 92 1558919 3117838 6235676 35855137 71710274 143420548