Search a number
-
+
140887450 = 252111272017
BaseRepresentation
bin10000110010111…
…00010110011010
3100211002211020201
420121130112122
5242031344300
621551412414
73330344404
oct1031342632
9324084221
10140887450
1172588910
123b22410a
132325b272
14149d5b74
15c57e66a
hex865c59a

140887450 has 48 divisors (see below), whose sum is σ = 288267264. Its totient is φ = 50803200.

The previous prime is 140887433. The next prime is 140887459. The reversal of 140887450 is 54788041.

It is not an unprimeable number, because it can be changed into a prime (140887459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68842 + ... + 70858.

It is an arithmetic number, because the mean of its divisors is an integer number (6005568).

Almost surely, 2140887450 is an apocalyptic number.

140887450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140887450 is an abundant number, since it is smaller than the sum of its proper divisors (147379814).

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

140887450 is a wasteful number, since it uses less digits than its factorization.

140887450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 140887450 is about 11869.6019309832. The cubic root of 140887450 is about 520.3442616791.

The spelling of 140887450 in words is "one hundred forty million, eight hundred eighty-seven thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 127 254 275 550 635 1270 1397 2017 2794 3175 4034 6350 6985 10085 13970 20170 22187 34925 44374 50425 69850 100850 110935 221870 256159 512318 554675 1109350 1280795 2561590 2817749 5635498 6403975 12807950 14088745 28177490 70443725 140887450