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140986 = 2157449
BaseRepresentation
bin100010011010111010
321011101201
4202122322
514002421
63004414
71125016
oct423272
9234351
10140986
1196a1a
126970a
134c231
1439546
152bb91
hex226ba

140986 has 8 divisors (see below), whose sum is σ = 213300. Its totient is φ = 69888.

The previous prime is 140983. The next prime is 140989. The reversal of 140986 is 689041.

140986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140983) and next prime (140989).

It can be written as a sum of positive squares in 2 ways, for example, as 140625 + 361 = 375^2 + 19^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140983) 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, 90 + ... + 538.

2140986 is an apocalyptic number.

140986 is a deficient number, since it is larger than the sum of its proper divisors (72314).

140986 is a wasteful number, since it uses less digits than its factorization.

140986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 140986 is about 375.4810248202. The cubic root of 140986 is about 52.0465559389.

The spelling of 140986 in words is "one hundred forty thousand, nine hundred eighty-six".

Divisors: 1 2 157 314 449 898 70493 140986