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142304210 = 2514230421
BaseRepresentation
bin10000111101101…
…10001111010010
3100220202210200022
420132312033102
5242412213320
622042023442
73345365036
oct1036661722
9326683608
10142304210
1173366294
123b7a7b82
1323636099
1414c841c6
15c75e325
hex87b63d2

142304210 has 8 divisors (see below), whose sum is σ = 256147596. Its totient is φ = 56921680.

The previous prime is 142304209. The next prime is 142304221. The reversal of 142304210 is 12403241.

It can be written as a sum of positive squares in 2 ways, for example, as 134954689 + 7349521 = 11617^2 + 2711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7115201 + ... + 7115220.

Almost surely, 2142304210 is an apocalyptic number.

142304210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142304210 is a deficient number, since it is larger than the sum of its proper divisors (113843386).

142304210 is a wasteful number, since it uses less digits than its factorization.

142304210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14230428.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142304210 is about 11929.1328268236. The cubic root of 142304210 is about 522.0826364185.

Adding to 142304210 its reverse (12403241), we get a palindrome (154707451).

The spelling of 142304210 in words is "one hundred forty-two million, three hundred four thousand, two hundred ten".

Divisors: 1 2 5 10 14230421 28460842 71152105 142304210