Search a number
-
+
3140943 = 31380537
BaseRepresentation
bin1011111110110101001111
312220120120020
423332311033
51301002233
6151153223
735461161
oct13766517
95816506
103140943
111855923
121075813
1385c860
145ba931
154209b3
hex2fed4f

3140943 has 8 divisors (see below), whose sum is σ = 4510128. Its totient is φ = 1932864.

The previous prime is 3140933. The next prime is 3140959. The reversal of 3140943 is 3490413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3140943 - 25 = 3140911 is a prime.

3140943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40230 + ... + 40307.

It is an arithmetic number, because the mean of its divisors is an integer number (563766).

Almost surely, 23140943 is an apocalyptic number.

3140943 is a deficient number, since it is larger than the sum of its proper divisors (1369185).

3140943 is a wasteful number, since it uses less digits than its factorization.

3140943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80553.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3140943 is about 1772.2705775361. The cubic root of 3140943 is about 146.4490925717.

The spelling of 3140943 in words is "three million, one hundred forty thousand, nine hundred forty-three".

Divisors: 1 3 13 39 80537 241611 1046981 3140943