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140286326 = 270143163
BaseRepresentation
bin10000101110010…
…01100101110110
3100202222021122212
420113021211312
5241403130301
621530453422
73322262015
oct1027114566
9322867585
10140286326
1172208214
123ab94272
13230aa77b
14148baa7c
15c4b14bb
hex85c9976

140286326 has 4 divisors (see below), whose sum is σ = 210429492. Its totient is φ = 70143162.

The previous prime is 140286319. The next prime is 140286337. The reversal of 140286326 is 623682041.

140286326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 140286292 and 140286301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35071580 + ... + 35071583.

It is an arithmetic number, because the mean of its divisors is an integer number (52607373).

Almost surely, 2140286326 is an apocalyptic number.

140286326 is a deficient number, since it is larger than the sum of its proper divisors (70143166).

140286326 is an equidigital number, since it uses as much as digits as its factorization.

140286326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70143165.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 140286326 is about 11844.2528679525. The cubic root of 140286326 is about 519.6031562944.

The spelling of 140286326 in words is "one hundred forty million, two hundred eighty-six thousand, three hundred twenty-six".

Divisors: 1 2 70143163 140286326