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140253 = 346751
BaseRepresentation
bin100010001111011101
321010101120
4202033131
513442003
63001153
71122621
oct421735
9233346
10140253
1196413
12691b9
134bab9
1439181
152b853
hex223dd

140253 has 4 divisors (see below), whose sum is σ = 187008. Its totient is φ = 93500.

The previous prime is 140249. The next prime is 140263. The reversal of 140253 is 352041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140253 - 22 = 140249 is a prime.

It is a D-number.

It is a Curzon number.

It is a plaindrome in base 9 and base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140253.

It is not an unprimeable number, because it can be changed into a prime (140263) 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, 23373 + ... + 23378.

It is an arithmetic number, because the mean of its divisors is an integer number (46752).

2140253 is an apocalyptic number.

It is an amenable number.

140253 is a deficient number, since it is larger than the sum of its proper divisors (46755).

140253 is an equidigital number, since it uses as much as digits as its factorization.

140253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46754.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 140253 is about 374.5036715441. The cubic root of 140253 is about 51.9562007912.

Adding to 140253 its reverse (352041), we get a palindrome (492294).

It can be divided in two parts, 14025 and 3, that added together give a triangular number (14028 = T167).

The spelling of 140253 in words is "one hundred forty thousand, two hundred fifty-three".

Divisors: 1 3 46751 140253