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142612142 = 2347205493
BaseRepresentation
bin10001000000000…
…01011010101110
3100221100110002012
420200001122232
5243002042032
622052401222
73351116561
oct1040013256
9327313065
10142612142
1173556682
123b916212
13237132aa
1414d244d8
15c7c06b2
hex88016ae

142612142 has 8 divisors (see below), whose sum is σ = 214535736. Its totient is φ = 71100232.

The previous prime is 142612109. The next prime is 142612159. The reversal of 142612142 is 241216241.

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

It is a congruent number.

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, 102053 + ... + 103440.

It is an arithmetic number, because the mean of its divisors is an integer number (26816967).

Almost surely, 2142612142 is an apocalyptic number.

142612142 is a deficient number, since it is larger than the sum of its proper divisors (71923594).

142612142 is a wasteful number, since it uses less digits than its factorization.

142612142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205842.

The product of its digits is 768, while the sum is 23.

The square root of 142612142 is about 11942.0325740638. The cubic root of 142612142 is about 522.4589432266.

Adding to 142612142 its reverse (241216241), we get a palindrome (383828383).

The spelling of 142612142 in words is "one hundred forty-two million, six hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 347 694 205493 410986 71306071 142612142