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142872862 = 211173112323
BaseRepresentation
bin10001000010000…
…01000100011110
3100221211200201111
420201001010132
5243033412422
622102132234
73353253646
oct1041010436
9327750644
10142872862
1173714550
123ba2107a
13237a4b72
1414d91526
15c822a77
hex884111e

142872862 has 32 divisors (see below), whose sum is σ = 255550464. Its totient is φ = 59145600.

The previous prime is 142872859. The next prime is 142872869. The reversal of 142872862 is 268278241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142872869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5433 + ... + 17755.

It is an arithmetic number, because the mean of its divisors is an integer number (7985952).

Almost surely, 2142872862 is an apocalyptic number.

142872862 is a deficient number, since it is larger than the sum of its proper divisors (112677602).

142872862 is a wasteful number, since it uses less digits than its factorization.

142872862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12384.

The product of its digits is 86016, while the sum is 40.

The square root of 142872862 is about 11952.9436541799. The cubic root of 142872862 is about 522.7771315879. Note that the first 3 decimals are identical.

The spelling of 142872862 in words is "one hundred forty-two million, eight hundred seventy-two thousand, eight hundred sixty-two".

Divisors: 1 2 11 17 22 31 34 62 187 341 374 527 682 1054 5797 11594 12323 24646 135553 209491 271106 382013 418982 764026 2304401 4202143 4608802 6494221 8404286 12988442 71436431 142872862