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142026766 = 2710144769
BaseRepresentation
bin10000111011100…
…10100000001110
3100220020201002121
420131302200032
5242324324031
622032043154
73343131130
oct1035624016
9326221077
10142026766
11731968a2
123b6934ba
1323569a0b
1414c11050
15c707011
hex877280e

142026766 has 8 divisors (see below), whose sum is σ = 243474480. Its totient is φ = 60868608.

The previous prime is 142026763. The next prime is 142026791. The reversal of 142026766 is 667620241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142026763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072371 + ... + 5072398.

It is an arithmetic number, because the mean of its divisors is an integer number (30434310).

Almost surely, 2142026766 is an apocalyptic number.

142026766 is a deficient number, since it is larger than the sum of its proper divisors (101447714).

142026766 is a wasteful number, since it uses less digits than its factorization.

142026766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144778.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 142026766 is about 11917.4983113068. The cubic root of 142026766 is about 521.7431221436.

The spelling of 142026766 in words is "one hundred forty-two million, twenty-six thousand, seven hundred sixty-six".

Divisors: 1 2 7 14 10144769 20289538 71013383 142026766