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2125257 = 31913709
BaseRepresentation
bin1000000110110111001001
310222222022020
420012313021
51021002012
6113315053
724031041
oct10066711
93888266
102125257
111221812
12865a89
13595464
143d4721
152bea8c
hex206dc9

2125257 has 8 divisors (see below), whose sum is σ = 2849280. Its totient is φ = 1409040.

The previous prime is 2125237. The next prime is 2125259. The reversal of 2125257 is 7525212.

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

It is not a de Polignac number, because 2125257 - 28 = 2125001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125259) 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, 1282 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (356160).

22125257 is an apocalyptic number.

It is an amenable number.

2125257 is a deficient number, since it is larger than the sum of its proper divisors (724023).

2125257 is a wasteful number, since it uses less digits than its factorization.

2125257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903.

The product of its digits is 1400, while the sum is 24.

The square root of 2125257 is about 1457.8261213190. The cubic root of 2125257 is about 128.5692622210.

The spelling of 2125257 in words is "two million, one hundred twenty-five thousand, two hundred fifty-seven".

Divisors: 1 3 191 573 3709 11127 708419 2125257