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5780897 = 15736821
BaseRepresentation
bin10110000011010110100001
3101212200220022
4112003112201
52434442042
6323523225
7100064633
oct26032641
911780808
105780897
113299301
121b29515
131275365
14aa6a53
15792cd2
hex5835a1

5780897 has 4 divisors (see below), whose sum is σ = 5817876. Its totient is φ = 5743920.

The previous prime is 5780893. The next prime is 5780923. The reversal of 5780897 is 7980875.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1784896 + 3996001 = 1336^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 5780897 - 22 = 5780893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5780893) 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, 18254 + ... + 18567.

It is an arithmetic number, because the mean of its divisors is an integer number (1454469).

Almost surely, 25780897 is an apocalyptic number.

It is an amenable number.

5780897 is a deficient number, since it is larger than the sum of its proper divisors (36979).

5780897 is a wasteful number, since it uses less digits than its factorization.

5780897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36978.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 5780897 is about 2404.3496002038. The cubic root of 5780897 is about 179.4727058175.

The spelling of 5780897 in words is "five million, seven hundred eighty thousand, eight hundred ninety-seven".

Divisors: 1 157 36821 5780897