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142185302 = 2737274489
BaseRepresentation
bin10000111100110…
…01001101010110
3100220112202120022
420132121031112
5242344412202
622035305142
73344361260
oct1036311526
9326482508
10142185302
1173294a16
123b74b1b2
13235c3c1c
1414c52b30
15c738ea2
hex8799356

142185302 has 16 divisors (see below), whose sum is σ = 250334880. Its totient is φ = 59289408.

The previous prime is 142185271. The next prime is 142185311. The reversal of 142185302 is 203581241.

142185302 is digitally balanced in base 2, 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136727 + ... + 137762.

It is an arithmetic number, because the mean of its divisors is an integer number (15645930).

Almost surely, 2142185302 is an apocalyptic number.

142185302 is a deficient number, since it is larger than the sum of its proper divisors (108149578).

142185302 is a wasteful number, since it uses less digits than its factorization.

142185302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274535.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 142185302 is about 11924.1478521528. The cubic root of 142185302 is about 521.9371801895.

The spelling of 142185302 in words is "one hundred forty-two million, one hundred eighty-five thousand, three hundred two".

Divisors: 1 2 7 14 37 74 259 518 274489 548978 1921423 3842846 10156093 20312186 71092651 142185302