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2792938 = 21396469
BaseRepresentation
bin1010101001110111101010
312020220012011
422221313222
51203333223
6135510134
732511451
oct12516752
95226164
102792938
111638415
12b2834a
1376a335
14529b98
153a280d
hex2a9dea

2792938 has 4 divisors (see below), whose sum is σ = 4189410. Its totient is φ = 1396468.

The previous prime is 2792897. The next prime is 2792939. The reversal of 2792938 is 8392972.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1896129 + 896809 = 1377^2 + 947^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 217 + 73 + 92 + 221 + 92 + 312 + 85 .

It is a self number, because there is not a number n which added to its sum of digits gives 2792938.

It is not an unprimeable number, because it can be changed into a prime (2792939) by changing a digit.

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 as a sum of consecutive naturals, namely, 698233 + ... + 698236.

22792938 is an apocalyptic number.

2792938 is a deficient number, since it is larger than the sum of its proper divisors (1396472).

2792938 is a wasteful number, since it uses less digits than its factorization.

2792938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396471.

The product of its digits is 54432, while the sum is 40.

The square root of 2792938 is about 1671.2085447364. The cubic root of 2792938 is about 140.8273795864.

The spelling of 2792938 in words is "two million, seven hundred ninety-two thousand, nine hundred thirty-eight".

Divisors: 1 2 1396469 2792938