Search a number
-
+
140741142 = 2342155717
BaseRepresentation
bin10000110001110…
…00101000010110
3100210211101112220
420120320220112
5242012204032
621544323210
73326165013
oct1030705026
9323741486
10140741142
11724989a3
123b173506
13232097a9
141499870a
15c55112c
hex8638a16

140741142 has 16 divisors (see below), whose sum is σ = 282155952. Its totient is φ = 46801440.

The previous prime is 140741141. The next prime is 140741179. The reversal of 140741142 is 241147041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140741141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25333 + ... + 30384.

It is an arithmetic number, because the mean of its divisors is an integer number (17634747).

Almost surely, 2140741142 is an apocalyptic number.

140741142 is an abundant number, since it is smaller than the sum of its proper divisors (141414810).

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

140741142 is a wasteful number, since it uses less digits than its factorization.

140741142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56143.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 140741142 is about 11863.4371916405. The cubic root of 140741142 is about 520.1640779067.

Adding to 140741142 its reverse (241147041), we get a palindrome (381888183).

The spelling of 140741142 in words is "one hundred forty million, seven hundred forty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 421 842 1263 2526 55717 111434 167151 334302 23456857 46913714 70370571 140741142