Search a number
-
+
2260909 = 7246141
BaseRepresentation
bin1000100111111110101101
311020212101101
420213332231
51034322114
6120243101
725134400
oct10477655
94225341
102260909
111304722
12910491
13612121
1442bd37
152e9d74
hex227fad

2260909 has 6 divisors (see below), whose sum is σ = 2630094. Its totient is φ = 1937880.

The previous prime is 2260903. The next prime is 2260913. The reversal of 2260909 is 9090622.

It can be written as a sum of positive squares in only one way, i.e., 1432809 + 828100 = 1197^2 + 910^2 .

It is not a de Polignac number, because 2260909 - 217 = 2129837 is a prime.

It is a super-2 number, since 2×22609092 = 10223419012562, which contains 22 as substring.

It is a Duffinian number.

2260909 is a modest number, since divided by 909 gives 226 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2260903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23022 + ... + 23119.

It is an arithmetic number, because the mean of its divisors is an integer number (438349).

22260909 is an apocalyptic number.

It is an amenable number.

2260909 is a deficient number, since it is larger than the sum of its proper divisors (369185).

2260909 is an equidigital number, since it uses as much as digits as its factorization.

2260909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46155 (or 46148 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2260909 is about 1503.6319363461. The cubic root of 2260909 is about 131.2485036866.

The spelling of 2260909 in words is "two million, two hundred sixty thousand, nine hundred nine".

Divisors: 1 7 49 46141 322987 2260909