Search a number
-
+
2280597 = 31169109
BaseRepresentation
bin1000101100110010010101
311021212101120
420230302111
51040434342
6120514153
725245654
oct10546225
94255346
102280597
1113184a0
1291b959
1361b087
1443519b
15300aec
hex22cc95

2280597 has 8 divisors (see below), whose sum is σ = 3317280. Its totient is φ = 1382160.

The previous prime is 2280587. The next prime is 2280623. The reversal of 2280597 is 7950822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2280597 - 27 = 2280469 is a prime.

It is a super-2 number, since 2×22805972 = 10402245352818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 69109 = 2280597 / (2 + 2 + 8 + 0 + 5 + 9 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34522 + ... + 34587.

It is an arithmetic number, because the mean of its divisors is an integer number (414660).

22280597 is an apocalyptic number.

It is an amenable number.

2280597 is a deficient number, since it is larger than the sum of its proper divisors (1036683).

2280597 is a wasteful number, since it uses less digits than its factorization.

2280597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69123.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2280597 is about 1510.1645605695. The cubic root of 2280597 is about 131.6283739166.

The spelling of 2280597 in words is "two million, two hundred eighty thousand, five hundred ninety-seven".

Divisors: 1 3 11 33 69109 207327 760199 2280597