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142543414 = 21350910771
BaseRepresentation
bin10000111111100…
…00101000110110
3100221012221210201
420133300220312
5242442342124
622051111114
73350412316
oct1037605066
9327187721
10142543414
1173509a82
123b8a249a
13236bac20
1414d07446
15c7aa144
hex87f0a36

142543414 has 16 divisors (see below), whose sum is σ = 230736240. Its totient is φ = 65653920.

The previous prime is 142543399. The next prime is 142543417. The reversal of 142543414 is 414345241.

142543414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142543417) 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, 7849 + ... + 18619.

It is an arithmetic number, because the mean of its divisors is an integer number (14421015).

Almost surely, 2142543414 is an apocalyptic number.

142543414 is a deficient number, since it is larger than the sum of its proper divisors (88192826).

142543414 is a wasteful number, since it uses less digits than its factorization.

142543414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295.

The product of its digits is 7680, while the sum is 28.

The square root of 142543414 is about 11939.1546601927. The cubic root of 142543414 is about 522.3750015007.

Adding to 142543414 its reverse (414345241), we get a palindrome (556888655).

The spelling of 142543414 in words is "one hundred forty-two million, five hundred forty-three thousand, four hundred fourteen".

Divisors: 1 2 13 26 509 1018 6617 10771 13234 21542 140023 280046 5482439 10964878 71271707 142543414