Search a number
-
+
540500140 = 22527025007
BaseRepresentation
bin100000001101110…
…110000010101100
31101200001020210201
4200031312002230
52101332001030
6125344443244
716252114105
oct4015660254
91350036721
10540500140
11258109834
12131019524
1387c9548b
1451ad93ac
15326b82ca
hex203760ac

540500140 has 12 divisors (see below), whose sum is σ = 1135050336. Its totient is φ = 216200048.

The previous prime is 540500123. The next prime is 540500143. The reversal of 540500140 is 41005045.

It is not an unprimeable number, because it can be changed into a prime (540500143) 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, 13512484 + ... + 13512523.

It is an arithmetic number, because the mean of its divisors is an integer number (94587528).

Almost surely, 2540500140 is an apocalyptic number.

It is an amenable number.

540500140 is an abundant number, since it is smaller than the sum of its proper divisors (594550196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540500140 is a wasteful number, since it uses less digits than its factorization.

540500140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27025016 (or 27025014 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 540500140 is about 23248.6588860519. The cubic root of 540500140 is about 814.5766127407.

Adding to 540500140 its reverse (41005045), we get a palindrome (581505185).

The spelling of 540500140 in words is "five hundred forty million, five hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 27025007 54050014 108100028 135125035 270250070 540500140