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142141630 = 2547302429
BaseRepresentation
bin10000111100011…
…10100010111110
3100220110112122211
420132032202332
5242342013010
622034331034
73344120041
oct1036164276
9326415584
10142141630
1173265124
123b729a7a
13235aa097
1414c40c58
15c72b08a
hex878e8be

142141630 has 16 divisors (see below), whose sum is σ = 261299520. Its totient is φ = 55646752.

The previous prime is 142141621. The next prime is 142141631. The reversal of 142141630 is 36141241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142141631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150745 + ... + 151684.

It is an arithmetic number, because the mean of its divisors is an integer number (16331220).

Almost surely, 2142141630 is an apocalyptic number.

142141630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142141630 is a deficient number, since it is larger than the sum of its proper divisors (119157890).

142141630 is a wasteful number, since it uses less digits than its factorization.

142141630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302483.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 142141630 is about 11922.3164695457. The cubic root of 142141630 is about 521.8837373129.

Adding to 142141630 its reverse (36141241), we get a palindrome (178282871).

The spelling of 142141630 in words is "one hundred forty-two million, one hundred forty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 302429 604858 1512145 3024290 14214163 28428326 71070815 142141630