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142043754 = 23193122663
BaseRepresentation
bin10000111011101…
…10101001101010
3100220021120101210
420131312221222
5242330400004
622032253550
73343231506
oct1035665152
9326246353
10142043754
11731a8636
123b6a12b6
1323574678
1414c17306
15c70c089
hex8776a6a

142043754 has 16 divisors (see below), whose sum is σ = 285561792. Its totient is φ = 47102208.

The previous prime is 142043743. The next prime is 142043761. The reversal of 142043754 is 457340241.

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, 60174 + ... + 62489.

It is an arithmetic number, because the mean of its divisors is an integer number (17847612).

Almost surely, 2142043754 is an apocalyptic number.

142043754 is an abundant number, since it is smaller than the sum of its proper divisors (143518038).

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

142043754 is a wasteful number, since it uses less digits than its factorization.

142043754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122861.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 142043754 is about 11918.2110234716. The cubic root of 142043754 is about 521.7639234311.

Adding to 142043754 its reverse (457340241), we get a palindrome (599383995).

The spelling of 142043754 in words is "one hundred forty-two million, forty-three thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 193 386 579 1158 122663 245326 367989 735978 23673959 47347918 71021877 142043754