Search a number
-
+
140910037 = 754718671
BaseRepresentation
bin10000110011000…
…01110111010101
3100211010222020021
420121201313111
5242033110122
621552105141
73330500302
oct1031416725
9324128207
10140910037
11725a3884
123b2351b1
1323268628
1414a000a9
15c5861c7
hex8661dd5

140910037 has 4 divisors (see below), whose sum is σ = 140936256. Its totient is φ = 140883820.

The previous prime is 140910031. The next prime is 140910047. The reversal of 140910037 is 730019041.

140910037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 730019041 = 4316977187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140910037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140909993 and 140910020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140910031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789 + ... + 16882.

It is an arithmetic number, because the mean of its divisors is an integer number (35234064).

Almost surely, 2140910037 is an apocalyptic number.

It is an amenable number.

140910037 is a deficient number, since it is larger than the sum of its proper divisors (26219).

140910037 is an equidigital number, since it uses as much as digits as its factorization.

140910037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26218.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 140910037 is about 11870.5533569417. The cubic root of 140910037 is about 520.3720672970.

Adding to 140910037 its reverse (730019041), we get a palindrome (870929078).

The spelling of 140910037 in words is "one hundred forty million, nine hundred ten thousand, thirty-seven".

Divisors: 1 7547 18671 140910037