Search a number
-
+
140363031 = 31732291181
BaseRepresentation
bin10000101110111…
…00010100010111
3100210010011212210
420113130110113
5241413104111
621532244503
73323031444
oct1027342427
9323104783
10140363031
117225a906
123b010733
1323106663
14148da9cb
15c4c90a6
hex85dc517

140363031 has 16 divisors (see below), whose sum is σ = 189214560. Its totient is φ = 92549760.

The previous prime is 140363023. The next prime is 140363059. The reversal of 140363031 is 130363041.

140363031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140363031 - 23 = 140363023 is a prime.

It is a super-2 number, since 2×1403630312 = 39403560943013922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140362989 and 140363007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140363011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118261 + ... + 119441.

It is an arithmetic number, because the mean of its divisors is an integer number (11825910).

Almost surely, 2140363031 is an apocalyptic number.

140363031 is a deficient number, since it is larger than the sum of its proper divisors (48851529).

140363031 is a wasteful number, since it uses less digits than its factorization.

140363031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 140363031 is about 11847.4904937712. The cubic root of 140363031 is about 519.6978409757.

The spelling of 140363031 in words is "one hundred forty million, three hundred sixty-three thousand, thirty-one".

Divisors: 1 3 173 229 519 687 1181 3543 39617 118851 204313 270449 612939 811347 46787677 140363031