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142468818 = 23113210131
BaseRepresentation
bin10000111110111…
…10011011010010
3100221002011110220
420133132123102
5242433000233
622045333510
73346651662
oct1037363322
9327064426
10142468818
1173468a28
123b867296
1323692c9b
1414cc81a2
15c792eb3
hex87de6d2

142468818 has 16 divisors (see below), whose sum is σ = 287460576. Its totient is φ = 47069120.

The previous prime is 142468817. The next prime is 142468819. The reversal of 142468818 is 818864241.

It is an interprime number because it is at equal distance from previous prime (142468817) and next prime (142468819).

It is a self number, because there is not a number n which added to its sum of digits gives 142468818.

It is not an unprimeable number, because it can be changed into a prime (142468811) 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, 104388 + ... + 105743.

It is an arithmetic number, because the mean of its divisors is an integer number (17966286).

Almost surely, 2142468818 is an apocalyptic number.

142468818 is an abundant number, since it is smaller than the sum of its proper divisors (144991758).

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

142468818 is a wasteful number, since it uses less digits than its factorization.

142468818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210249.

The product of its digits is 98304, while the sum is 42.

The square root of 142468818 is about 11936.0302445998. The cubic root of 142468818 is about 522.2838622846.

The spelling of 142468818 in words is "one hundred forty-two million, four hundred sixty-eight thousand, eight hundred eighteen".

Divisors: 1 2 3 6 113 226 339 678 210131 420262 630393 1260786 23744803 47489606 71234409 142468818