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140650 = 2522997
BaseRepresentation
bin100010010101101010
321010221021
4202111222
514000100
63003054
71124026
oct422552
9233837
10140650
1196744
126948a
134c033
1439386
152ba1a
hex2256a

140650 has 24 divisors (see below), whose sum is σ = 273420. Its totient is φ = 53760.

The previous prime is 140639. The next prime is 140659. The reversal of 140650 is 56041.

It can be written as a sum of positive squares in 6 ways, for example, as 48841 + 91809 = 221^2 + 303^2 .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (140659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1402 + ... + 1498.

2140650 is an apocalyptic number.

140650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140650 is a deficient number, since it is larger than the sum of its proper divisors (132770).

140650 is a wasteful number, since it uses less digits than its factorization.

140650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 140650 is about 375.0333318520. The cubic root of 140650 is about 52.0051769994.

Adding to 140650 its reverse (56041), we get a palindrome (196691).

The spelling of 140650 in words is "one hundred forty thousand, six hundred fifty".

Divisors: 1 2 5 10 25 29 50 58 97 145 194 290 485 725 970 1450 2425 2813 4850 5626 14065 28130 70325 140650