Search a number
-
+
140803838 = 2723437279
BaseRepresentation
bin10000110010001…
…11111011111110
3100210221120112222
420121013323332
5242021210323
621545525342
73326545550
oct1031077376
9323846488
10140803838
117253100a
123b1a3852
132322c1a6
14149b34d0
15c5649c8
hex8647efe

140803838 has 16 divisors (see below), whose sum is σ = 251873280. Its totient is φ = 57720696.

The previous prime is 140803837. The next prime is 140803841. The reversal of 140803838 is 838308041.

It is a junction number, because it is equal to n+sod(n) for n = 140803798 and 140803807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140803837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218318 + ... + 218961.

It is an arithmetic number, because the mean of its divisors is an integer number (15742080).

Almost surely, 2140803838 is an apocalyptic number.

140803838 is a deficient number, since it is larger than the sum of its proper divisors (111069442).

140803838 is a wasteful number, since it uses less digits than its factorization.

140803838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437311.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 140803838 is about 11866.0793019430. The cubic root of 140803838 is about 520.2413056578.

The spelling of 140803838 in words is "one hundred forty million, eight hundred three thousand, eight hundred thirty-eight".

Divisors: 1 2 7 14 23 46 161 322 437279 874558 3060953 6121906 10057417 20114834 70401919 140803838