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142304302 = 2773139241
BaseRepresentation
bin10000111101101…
…10010000101110
3100220202210210201
420132312100232
5242412214202
622042024114
73345365230
oct1036662056
9326683721
10142304302
1173366368
123b7a803a
132363613a
1414c84250
15c75e387
hex87b642e

142304302 has 16 divisors (see below), whose sum is σ = 247293792. Its totient is φ = 60151680.

The previous prime is 142304299. The next prime is 142304333. The reversal of 142304302 is 203403241.

142304302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142304302.

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, 68599 + ... + 70642.

It is an arithmetic number, because the mean of its divisors is an integer number (15455862).

Almost surely, 2142304302 is an apocalyptic number.

142304302 is a deficient number, since it is larger than the sum of its proper divisors (104989490).

142304302 is a wasteful number, since it uses less digits than its factorization.

142304302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139323.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142304302 is about 11929.1366829289. The cubic root of 142304302 is about 522.0827489277.

Adding to 142304302 its reverse (203403241), we get a palindrome (345707543).

The spelling of 142304302 in words is "one hundred forty-two million, three hundred four thousand, three hundred two".

Divisors: 1 2 7 14 73 146 511 1022 139241 278482 974687 1949374 10164593 20329186 71152151 142304302