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142535670 = 23517412729
BaseRepresentation
bin10000111111011…
…10101111110110
3100221012120011220
420133232233312
5242442120140
622051011210
73350350614
oct1037565766
9327176156
10142535670
1173504182
123b899b06
13236b7544
1414d046b4
15c7a7bd0
hex87eebf6

142535670 has 32 divisors (see below), whose sum is σ = 342407520. Its totient is φ = 37973760.

The previous prime is 142535629. The next prime is 142535677. The reversal of 142535670 is 76535241.

142535670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142535677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50866 + ... + 53594.

It is an arithmetic number, because the mean of its divisors is an integer number (10700235).

Almost surely, 2142535670 is an apocalyptic number.

142535670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142535670 is an abundant number, since it is smaller than the sum of its proper divisors (199871850).

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

142535670 is a wasteful number, since it uses less digits than its factorization.

142535670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 142535670 is about 11938.8303447197. The cubic root of 142535670 is about 522.3655415868.

The spelling of 142535670 in words is "one hundred forty-two million, five hundred thirty-five thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1741 2729 3482 5223 5458 8187 8705 10446 13645 16374 17410 26115 27290 40935 52230 81870 4751189 9502378 14253567 23755945 28507134 47511890 71267835 142535670