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2698225 = 52372917
BaseRepresentation
bin1010010010101111110001
312002002021021
422102233301
51142320400
6133455441
731635355
oct12225761
95062237
102698225
111583242
12aa1581
137361aa
14503465
1538471a
hex292bf1

2698225 has 12 divisors (see below), whose sum is σ = 3437404. Its totient is φ = 2099520.

The previous prime is 2698217. The next prime is 2698229. The reversal of 2698225 is 5228962.

It can be written as a sum of positive squares in 6 ways, for example, as 531441 + 2166784 = 729^2 + 1472^2 .

It is not a de Polignac number, because 2698225 - 23 = 2698217 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698229) 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, 534 + ... + 2383.

22698225 is an apocalyptic number.

2698225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2698225 is a deficient number, since it is larger than the sum of its proper divisors (739179).

2698225 is a wasteful number, since it uses less digits than its factorization.

2698225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964 (or 2959 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 2698225 is about 1642.6274684176. The cubic root of 2698225 is about 139.2171441704.

The spelling of 2698225 in words is "two million, six hundred ninety-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 37 185 925 2917 14585 72925 107929 539645 2698225