Search a number
-
+
140110431 = 3473972503
BaseRepresentation
bin10000101100111…
…10101001011111
3100202122100101020
420112132221133
5241332013211
621523015223
73320630136
oct1026365137
9322570336
10140110431
11720a804a
123ab0a513
13230486a6
141487291d
15c479306
hex859ea5f

140110431 has 16 divisors (see below), whose sum is σ = 191345664. Its totient is φ = 91152864.

The previous prime is 140110403. The next prime is 140110463. The reversal of 140110431 is 134011041.

It is not a de Polignac number, because 140110431 - 26 = 140110367 is a prime.

It is a super-2 number, since 2×1401104312 = 39261865750011522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140110431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140112431) 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, 54726 + ... + 57228.

It is an arithmetic number, because the mean of its divisors is an integer number (11959104).

Almost surely, 2140110431 is an apocalyptic number.

140110431 is a deficient number, since it is larger than the sum of its proper divisors (51235233).

140110431 is a wasteful number, since it uses less digits than its factorization.

140110431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 140110431 is about 11836.8252077996. The cubic root of 140110431 is about 519.3859010457.

Adding to 140110431 its reverse (134011041), we get a palindrome (274121472).

The spelling of 140110431 in words is "one hundred forty million, one hundred ten thousand, four hundred thirty-one".

Divisors: 1 3 47 141 397 1191 2503 7509 18659 55977 117641 352923 993691 2981073 46703477 140110431