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2797225 = 52412729
BaseRepresentation
bin1010101010111010101001
312021010001221
422222322221
51204002400
6135542041
732530114
oct12527251
95233057
102797225
111640662
12b2a921
1376c282
1452b57b
153a3c1a
hex2aaea9

2797225 has 12 divisors (see below), whose sum is σ = 3554460. Its totient is φ = 2182400.

The previous prime is 2797217. The next prime is 2797229. The reversal of 2797225 is 5227972.

It can be written as a sum of positive squares in 6 ways, for example, as 44944 + 2752281 = 212^2 + 1659^2 .

It is not a de Polignac number, because 2797225 - 23 = 2797217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2797229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (296205).

22797225 is an apocalyptic number.

2797225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2797225 is a deficient number, since it is larger than the sum of its proper divisors (757235).

2797225 is a wasteful number, since it uses less digits than its factorization.

2797225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2775 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 2797225 is about 1672.4906576720. The cubic root of 2797225 is about 140.8993967411.

The spelling of 2797225 in words is "two million, seven hundred ninety-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 41 205 1025 2729 13645 68225 111889 559445 2797225