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142187324 = 2245777783
BaseRepresentation
bin10000111100110…
…01101100111100
3100220112212100012
420132121230330
5242344443244
622035322352
73344400206
oct1036315474
9326485305
10142187324
1173296494
123b7503b8
13235c4b16
1414c53776
15c73989e
hex8799b3c

142187324 has 12 divisors (see below), whose sum is σ = 249375504. Its totient is φ = 70937184.

The previous prime is 142187323. The next prime is 142187329. The reversal of 142187324 is 423781241.

142187324 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 not an unprimeable number, because it can be changed into a prime (142187321) 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, 37064 + ... + 40719.

It is an arithmetic number, because the mean of its divisors is an integer number (20781292).

Almost surely, 2142187324 is an apocalyptic number.

It is an amenable number.

142187324 is a deficient number, since it is larger than the sum of its proper divisors (107188180).

142187324 is a wasteful number, since it uses less digits than its factorization.

142187324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78244 (or 78242 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 142187324 is about 11924.2326377843. The cubic root of 142187324 is about 521.9396543130.

The spelling of 142187324 in words is "one hundred forty-two million, one hundred eighty-seven thousand, three hundred twenty-four".

Divisors: 1 2 4 457 914 1828 77783 155566 311132 35546831 71093662 142187324