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142423411 = 1319576613
BaseRepresentation
bin10000111110100…
…11010101110011
3100220222212012011
420133103111303
5242430022121
622044343351
73346402414
oct1037232563
9326885164
10142423411
11734378a9
123b844b57
1323678410
1414cb580b
15c7847e1
hex87d3573

142423411 has 8 divisors (see below), whose sum is σ = 161451920. Its totient is φ = 124548192.

The previous prime is 142423387. The next prime is 142423417. The reversal of 142423411 is 114324241.

It is a happy number.

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

It is not a de Polignac number, because 142423411 - 27 = 142423283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142423417) 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, 288060 + ... + 288553.

It is an arithmetic number, because the mean of its divisors is an integer number (20181490).

Almost surely, 2142423411 is an apocalyptic number.

142423411 is a deficient number, since it is larger than the sum of its proper divisors (19028509).

142423411 is a wasteful number, since it uses less digits than its factorization.

142423411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576645.

The product of its digits is 768, while the sum is 22.

The square root of 142423411 is about 11934.1279949563. The cubic root of 142423411 is about 522.2283697598.

Adding to 142423411 its reverse (114324241), we get a palindrome (256747652).

The spelling of 142423411 in words is "one hundred forty-two million, four hundred twenty-three thousand, four hundred eleven".

Divisors: 1 13 19 247 576613 7495969 10955647 142423411