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140746 = 270373
BaseRepresentation
bin100010010111001010
321011001211
4202113022
514000441
63003334
71124224
oct422712
9234054
10140746
1196821
126954a
134c0a8
1439414
152ba81
hex225ca

140746 has 4 divisors (see below), whose sum is σ = 211122. Its totient is φ = 70372.

The previous prime is 140741. The next prime is 140759. The reversal of 140746 is 647041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 647041 = 2332777.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 121 = 375^2 + 11^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (140741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35185 + ... + 35188.

2140746 is an apocalyptic number.

140746 is a deficient number, since it is larger than the sum of its proper divisors (70376).

140746 is an equidigital number, since it uses as much as digits as its factorization.

140746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70375.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 140746 is about 375.1612986437. The cubic root of 140746 is about 52.0170062719.

Adding to 140746 its reverse (647041), we get a palindrome (787787).

The spelling of 140746 in words is "one hundred forty thousand, seven hundred forty-six".

Divisors: 1 2 70373 140746