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2270725 = 52611489
BaseRepresentation
bin1000101010011000000101
311021100211221
420222120011
51040130400
6120400341
725205122
oct10523005
94240757
102270725
111311036
129160b1
13616732
14431749
152ecc1a
hex22a605

2270725 has 12 divisors (see below), whose sum is σ = 2863780. Its totient is φ = 1785600.

The previous prime is 2270717. The next prime is 2270759. The reversal of 2270725 is 5270722.

It can be written as a sum of positive squares in 6 ways, for example, as 715716 + 1555009 = 846^2 + 1247^2 .

It is not a de Polignac number, because 2270725 - 23 = 2270717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2270725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781 + ... + 2269.

22270725 is an apocalyptic number.

2270725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2270725 is a deficient number, since it is larger than the sum of its proper divisors (593055).

2270725 is a wasteful number, since it uses less digits than its factorization.

2270725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2270725 is about 1506.8924978246. The cubic root of 2270725 is about 131.4381730203.

The spelling of 2270725 in words is "two million, two hundred seventy thousand, seven hundred twenty-five".

Divisors: 1 5 25 61 305 1489 1525 7445 37225 90829 454145 2270725