Search a number
-
+
2675401 = 2819521
BaseRepresentation
bin1010001101001011001001
312000220221221
422031023021
51141103101
6133202041
731512001
oct12151311
95026857
102675401
111568083
12a90321
137289a1
144d9001
1537caa1
hex28d2c9

2675401 has 4 divisors (see below), whose sum is σ = 2685204. Its totient is φ = 2665600.

The previous prime is 2675369. The next prime is 2675419. The reversal of 2675401 is 1045762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1045762 = 2522881.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 1177225 = 1224^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2675401 - 25 = 2675369 is a prime.

It is a Duffinian number.

2675401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2675441) 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, 4480 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (671301).

22675401 is an apocalyptic number.

It is an amenable number.

2675401 is a deficient number, since it is larger than the sum of its proper divisors (9803).

2675401 is an equidigital number, since it uses as much as digits as its factorization.

2675401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9802.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2675401 is about 1635.6653080627. The cubic root of 2675401 is about 138.8234910839.

The spelling of 2675401 in words is "two million, six hundred seventy-five thousand, four hundred one".

Divisors: 1 281 9521 2675401