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142881082 = 2122958129
BaseRepresentation
bin10001000010000…
…11000100111010
3100221212002222221
420201003010322
5243034143312
622102234254
73353316631
oct1041030472
9327762887
10142881082
117371a743
123ba2598a
13237a8826
1414d94518
15c825207
hex884313a

142881082 has 8 divisors (see below), whose sum is σ = 214499700. Its totient is φ = 71381184.

The previous prime is 142881049. The next prime is 142881091. The reversal of 142881082 is 280188241.

It can be written as a sum of positive squares in 2 ways, for example, as 92910321 + 49970761 = 9639^2 + 7069^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26607 + ... + 31522.

Almost surely, 2142881082 is an apocalyptic number.

142881082 is a deficient number, since it is larger than the sum of its proper divisors (71618618).

142881082 is a wasteful number, since it uses less digits than its factorization.

142881082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59360.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 142881082 is about 11953.2874975883. The cubic root of 142881082 is about 522.7871571578.

The spelling of 142881082 in words is "one hundred forty-two million, eight hundred eighty-one thousand, eighty-two".

Divisors: 1 2 1229 2458 58129 116258 71440541 142881082