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142370188 = 2235592547
BaseRepresentation
bin10000111110001…
…10010110001100
3100220220011011221
420133012112030
5242421321223
622043253124
73346061302
oct1037062614
9326804157
10142370188
1173400914
123b81a1a4
132365a11c
1414ca0272
15c773b5d
hex87c658c

142370188 has 6 divisors (see below), whose sum is σ = 249147836. Its totient is φ = 71185092.

The previous prime is 142370183. The next prime is 142370201. The reversal of 142370188 is 881073241.

It is a happy number.

142370188 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

142370188 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (142370183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17796270 + ... + 17796277.

Almost surely, 2142370188 is an apocalyptic number.

It is an amenable number.

142370188 is a deficient number, since it is larger than the sum of its proper divisors (106777648).

142370188 is a wasteful number, since it uses less digits than its factorization.

142370188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35592551 (or 35592549 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 142370188 is about 11931.8979211188. The cubic root of 142370188 is about 522.1633101761.

The spelling of 142370188 in words is "one hundred forty-two million, three hundred seventy thousand, one hundred eighty-eight".

Divisors: 1 2 4 35592547 71185094 142370188