[go: up one dir, main page]

Search a number
-
+
3140944 = 241091801
BaseRepresentation
bin1011111110110101010000
312220120120021
423332311100
51301002234
6151153224
735461162
oct13766520
95816507
103140944
111855924
121075814
1385c861
145ba932
154209b4
hex2fed50

3140944 has 20 divisors (see below), whose sum is σ = 6144820. Its totient is φ = 1555200.

The previous prime is 3140933. The next prime is 3140959. The reversal of 3140944 is 4490413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1236544 + 1904400 = 1112^2 + 1380^2 .

It is a super-2 number, since 2×31409442 = 19731058422272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844 + ... + 2644.

It is an arithmetic number, because the mean of its divisors is an integer number (307241).

Almost surely, 23140944 is an apocalyptic number.

It is an amenable number.

3140944 is a deficient number, since it is larger than the sum of its proper divisors (3003876).

3140944 is a wasteful number, since it uses less digits than its factorization.

3140944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3140944 is about 1772.2708596600. The cubic root of 3140944 is about 146.4491081136.

The spelling of 3140944 in words is "three million, one hundred forty thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 109 218 436 872 1744 1801 3602 7204 14408 28816 196309 392618 785236 1570472 3140944