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142081846 = 2294752121
BaseRepresentation
bin10000111011111…
…11111100110110
3100220100111122121
420131333330312
5242333104341
622033150154
73343450534
oct1035777466
9326314577
10142081846
1173224215
123b6bb35a
1323588aca
1414c27154
15c7184d1
hex877ff36

142081846 has 16 divisors (see below), whose sum is σ = 225167040. Its totient is φ = 67130560.

The previous prime is 142081843. The next prime is 142081873. The reversal of 142081846 is 648180241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142081843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23335 + ... + 28786.

It is an arithmetic number, because the mean of its divisors is an integer number (14072940).

Almost surely, 2142081846 is an apocalyptic number.

142081846 is a deficient number, since it is larger than the sum of its proper divisors (83085194).

142081846 is a wasteful number, since it uses less digits than its factorization.

142081846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52199.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 142081846 is about 11919.8089749794. The cubic root of 142081846 is about 521.8105598945.

It can be divided in two parts, 1420818 and 46, that added together give a square (1420864 = 11922).

The spelling of 142081846 in words is "one hundred forty-two million, eighty-one thousand, eight hundred forty-six".

Divisors: 1 2 29 47 58 94 1363 2726 52121 104242 1511509 2449687 3023018 4899374 71040923 142081846