Search a number
-
+
140555080 = 2353513877
BaseRepresentation
bin10000110000010…
…11001101001000
3100210110221022201
420120023031020
5241440230310
621540325544
73324461401
oct1030131510
9323427281
10140555080
1172381126
123b0a38b4
1323172bb3
141494a9a8
15c515e3a
hex860b348

140555080 has 16 divisors (see below), whose sum is σ = 316249020. Its totient is φ = 56222016.

The previous prime is 140555059. The next prime is 140555087. The reversal of 140555080 is 80555041.

140555080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139287204 + 1267876 = 11802^2 + 1126^2 .

It is not an unprimeable number, because it can be changed into a prime (140555087) 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, 1756899 + ... + 1756978.

Almost surely, 2140555080 is an apocalyptic number.

140555080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140555080 is an abundant number, since it is smaller than the sum of its proper divisors (175693940).

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

140555080 is a wasteful number, since it uses less digits than its factorization.

140555080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513888 (or 3513884 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 140555080 is about 11855.5927730333. The cubic root of 140555080 is about 519.9347551276.

The spelling of 140555080 in words is "one hundred forty million, five hundred fifty-five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 3513877 7027754 14055508 17569385 28111016 35138770 70277540 140555080