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2661227 = 43199311
BaseRepresentation
bin1010001001101101101011
312000012111222
422021231223
51140124402
6133012255
731422452
oct12115553
95005458
102661227
111558468
12a8408b
137223ba
144d3b99
153787a2
hex289b6b

2661227 has 8 divisors (see below), whose sum is σ = 2745600. Its totient is φ = 2577960.

The previous prime is 2661221. The next prime is 2661233. The reversal of 2661227 is 7221662.

It is an interprime number because it is at equal distance from previous prime (2661221) and next prime (2661233).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2661227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2661196 and 2661205.

It is not an unprimeable number, because it can be changed into a prime (2661221) 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, 8402 + ... + 8712.

It is an arithmetic number, because the mean of its divisors is an integer number (343200).

22661227 is an apocalyptic number.

2661227 is a deficient number, since it is larger than the sum of its proper divisors (84373).

2661227 is a wasteful number, since it uses less digits than its factorization.

2661227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its digits is 2016, while the sum is 26.

The square root of 2661227 is about 1631.3267606461. The cubic root of 2661227 is about 138.5778993279.

Adding to 2661227 its reverse (7221662), we get a palindrome (9882889).

The spelling of 2661227 in words is "two million, six hundred sixty-one thousand, two hundred twenty-seven".

Divisors: 1 43 199 311 8557 13373 61889 2661227