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142765742 = 2761167173
BaseRepresentation
bin10001000001001…
…10111010101110
3100221122020210002
420200212322232
5243022000432
622055544302
73352326440
oct1040467256
9327566702
10142765742
1173651019
123b98b092
1323768192
1414d64490
15c800e62
hex8826eae

142765742 has 16 divisors (see below), whose sum is σ = 248754912. Its totient is φ = 60181920.

The previous prime is 142765739. The next prime is 142765751. The reversal of 142765742 is 247567241.

It is a junction number, because it is equal to n+sod(n) for n = 142765696 and 142765705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82733 + ... + 84440.

It is an arithmetic number, because the mean of its divisors is an integer number (15547182).

Almost surely, 2142765742 is an apocalyptic number.

142765742 is a deficient number, since it is larger than the sum of its proper divisors (105989170).

142765742 is a wasteful number, since it uses less digits than its factorization.

142765742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167243.

The product of its digits is 94080, while the sum is 38.

The square root of 142765742 is about 11948.4619093840. The cubic root of 142765742 is about 522.6464468966.

The spelling of 142765742 in words is "one hundred forty-two million, seven hundred sixty-five thousand, seven hundred forty-two".

Divisors: 1 2 7 14 61 122 427 854 167173 334346 1170211 2340422 10197553 20395106 71382871 142765742