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142148750 = 254113719
BaseRepresentation
bin10000111100100…
…00010010001110
3100220110220102112
420132100102032
5242342230000
622034424022
73344146562
oct1036202216
9326426375
10142148750
117326a507
123b732012
13235b03b3
1414c436a2
15c72d235
hex879048e

142148750 has 20 divisors (see below), whose sum is σ = 266445960. Its totient is φ = 56859000.

The previous prime is 142148723. The next prime is 142148771. The reversal of 142148750 is 57841241.

It is a happy number.

142148750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 55610 + ... + 58109.

It is an arithmetic number, because the mean of its divisors is an integer number (13322298).

Almost surely, 2142148750 is an apocalyptic number.

142148750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142148750 is a deficient number, since it is larger than the sum of its proper divisors (124297210).

142148750 is an equidigital number, since it uses as much as digits as its factorization.

142148750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113741 (or 113726 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 142148750 is about 11922.6150654963. The cubic root of 142148750 is about 521.8924510401.

Adding to 142148750 its reverse (57841241), we get a palindrome (199989991).

The spelling of 142148750 in words is "one hundred forty-two million, one hundred forty-eight thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 625 1250 113719 227438 568595 1137190 2842975 5685950 14214875 28429750 71074375 142148750