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2125287 = 32236143
BaseRepresentation
bin1000000110110111100111
310222222100100
420012313213
51021002122
6113315143
724031113
oct10066747
93888310
102125287
11122183a
12865ab3
13595488
143d4743
152beaac
hex206de7

2125287 has 6 divisors (see below), whose sum is σ = 3069872. Its totient is φ = 1416852.

The previous prime is 2125273. The next prime is 2125313. The reversal of 2125287 is 7825212.

It is not a de Polignac number, because 2125287 - 211 = 2123239 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 213 + 55 + 221 + 8 + 75 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125237) 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, 118063 + ... + 118080.

22125287 is an apocalyptic number.

2125287 is a deficient number, since it is larger than the sum of its proper divisors (944585).

2125287 is a wasteful number, since it uses less digits than its factorization.

2125287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236149 (or 236146 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2125287 is about 1457.8364105756. The cubic root of 2125287 is about 128.5698671768.

The spelling of 2125287 in words is "two million, one hundred twenty-five thousand, two hundred eighty-seven".

Divisors: 1 3 9 236143 708429 2125287