Search a number
-
+
140641042 = 21733111307
BaseRepresentation
bin10000110001000…
…00001100010010
3100210122022020111
420120200030102
5242001003132
621542231534
73325300123
oct1030401422
9323568214
10140641042
117242a773
123b1255aa
13231a3069
141497004a
15c531647
hex8620312

140641042 has 16 divisors (see below), whose sum is σ = 213026112. Its totient is φ = 69635920.

The previous prime is 140641031. The next prime is 140641063. The reversal of 140641042 is 240146041.

140641042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106953 + ... + 108259.

It is an arithmetic number, because the mean of its divisors is an integer number (13314132).

Almost surely, 2140641042 is an apocalyptic number.

140641042 is a deficient number, since it is larger than the sum of its proper divisors (72385070).

140641042 is a wasteful number, since it uses less digits than its factorization.

140641042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 140641042 is about 11859.2175964521. The cubic root of 140641042 is about 520.0407290583.

Adding to 140641042 its reverse (240146041), we get a palindrome (380787083).

The spelling of 140641042 in words is "one hundred forty million, six hundred forty-one thousand, forty-two".

Divisors: 1 2 173 311 346 622 1307 2614 53803 107606 226111 406477 452222 812954 70320521 140641042