Search a number
-
+
6938944 = 26108421
BaseRepresentation
bin11010011110000101000000
3111001112102221
4122132011000
53234021234
6404420424
7112660105
oct32360500
914045387
106938944
113a0a371
1223a7714
13158c4ac
14cc8aac
15920eb4
hex69e140

6938944 has 14 divisors (see below), whose sum is σ = 13769594. Its totient is φ = 3469440.

The previous prime is 6938923. The next prime is 6938951. The reversal of 6938944 is 4498396.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 788544 = 2480^2 + 888^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6938944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54147 + ... + 54274.

Almost surely, 26938944 is an apocalyptic number.

6938944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6938944 is a deficient number, since it is larger than the sum of its proper divisors (6830650).

6938944 is a wasteful number, since it uses less digits than its factorization.

6938944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108433 (or 108423 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 6938944 is about 2634.1875407799. The cubic root of 6938944 is about 190.7353222904.

The spelling of 6938944 in words is "six million, nine hundred thirty-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 64 108421 216842 433684 867368 1734736 3469472 6938944