Search a number
-
+
2097748 = 223971321
BaseRepresentation
bin1000000000001001010100
310221120120101
420000021110
51014111443
6112543444
723554612
oct10001124
93846511
102097748
111203084
12851b84
13585a93
143c86b2
152b684d
hex200254

2097748 has 12 divisors (see below), whose sum is σ = 3683092. Its totient is φ = 1045440.

The previous prime is 2097743. The next prime is 2097757. The reversal of 2097748 is 8477902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 386884 = 1308^2 + 622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928 + ... + 2248.

22097748 is an apocalyptic number.

It is an amenable number.

2097748 is a deficient number, since it is larger than the sum of its proper divisors (1585344).

2097748 is a wasteful number, since it uses less digits than its factorization.

2097748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1720 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2097748 is about 1448.3604523736. The cubic root of 2097748 is about 128.0121245025.

It can be divided in two parts, 20977 and 48, that added together give a square (21025 = 1452).

The spelling of 2097748 in words is "two million, ninety-seven thousand, seven hundred forty-eight".

Divisors: 1 2 4 397 794 1321 1588 2642 5284 524437 1048874 2097748