Search a number
-
+
140553 = 3272397
BaseRepresentation
bin100010010100001001
321010210200
4202110021
513444203
63002413
71123530
oct422411
9233720
10140553
1196666
1269409
134bc8a
1439317
152b9a3
hex22509

140553 has 24 divisors (see below), whose sum is σ = 244608. Its totient is φ = 76032.

The previous prime is 140551. The next prime is 140557. The reversal of 140553 is 355041.

It is not a de Polignac number, because 140553 - 21 = 140551 is a prime.

140553 is a lucky number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401 + ... + 1497.

It is an arithmetic number, because the mean of its divisors is an integer number (10192).

2140553 is an apocalyptic number.

It is an amenable number.

140553 is a deficient number, since it is larger than the sum of its proper divisors (104055).

140553 is a wasteful number, since it uses less digits than its factorization.

140553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 140553 is about 374.9039877089. The cubic root of 140553 is about 51.9932190369.

Adding to 140553 its reverse (355041), we get a palindrome (495594).

The spelling of 140553 in words is "one hundred forty thousand, five hundred fifty-three".

Divisors: 1 3 7 9 21 23 63 69 97 161 207 291 483 679 873 1449 2037 2231 6111 6693 15617 20079 46851 140553