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2150797 = 11195527
BaseRepresentation
bin1000001101000110001101
311001021100011
420031012031
51022311142
6114033221
724165355
oct10150615
94037304
102150797
111239a20
12878811
135a3c7c
143ddb65
152c7417
hex20d18d

2150797 has 4 divisors (see below), whose sum is σ = 2346336. Its totient is φ = 1955260.

The previous prime is 2150791. The next prime is 2150801. The reversal of 2150797 is 7970512.

2150797 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2150797 - 215 = 2118029 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97753 + ... + 97774.

It is an arithmetic number, because the mean of its divisors is an integer number (586584).

22150797 is an apocalyptic number.

It is an amenable number.

2150797 is a deficient number, since it is larger than the sum of its proper divisors (195539).

2150797 is a wasteful number, since it uses less digits than its factorization.

2150797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195538.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 2150797 is about 1466.5595794239. The cubic root of 2150797 is about 129.0822342881.

The spelling of 2150797 in words is "two million, one hundred fifty thousand, seven hundred ninety-seven".

Divisors: 1 11 195527 2150797