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142873066 = 2717600307
BaseRepresentation
bin10001000010000…
…01000111101010
3100221211201000001
420201001013222
5243033414231
622102133214
73353254360
oct1041010752
9327751001
10142873066
1173714716
123ba2120a
13237a4c9b
1414d91630
15c822b61
hex88411ea

142873066 has 16 divisors (see below), whose sum is σ = 259333056. Its totient is φ = 57629376.

The previous prime is 142873063. The next prime is 142873067. The reversal of 142873066 is 660378241.

It is not an unprimeable number, because it can be changed into a prime (142873063) 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, 299916 + ... + 300391.

It is an arithmetic number, because the mean of its divisors is an integer number (16208316).

Almost surely, 2142873066 is an apocalyptic number.

142873066 is a deficient number, since it is larger than the sum of its proper divisors (116459990).

142873066 is a wasteful number, since it uses less digits than its factorization.

142873066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600333.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 142873066 is about 11952.9521876397. The cubic root of 142873066 is about 522.7773804023. Note that the first 3 decimals are identical.

The spelling of 142873066 in words is "one hundred forty-two million, eight hundred seventy-three thousand, sixty-six".

Divisors: 1 2 7 14 17 34 119 238 600307 1200614 4202149 8404298 10205219 20410438 71436533 142873066