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2125321 = 111910169
BaseRepresentation
bin1000000110111000001001
310222222101121
420012320021
51021002241
6113315241
724031162
oct10067011
93888347
102125321
111221870
12865b21
135954b3
143d4769
152bead1
hex206e09

2125321 has 8 divisors (see below), whose sum is σ = 2440800. Its totient is φ = 1830240.

The previous prime is 2125313. The next prime is 2125327. The reversal of 2125321 is 1235212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125321 - 23 = 2125313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125295 and 2125304.

It is not an unprimeable number, because it can be changed into a prime (2125327) 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, 4876 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (305100).

22125321 is an apocalyptic number.

It is an amenable number.

2125321 is a deficient number, since it is larger than the sum of its proper divisors (315479).

2125321 is a wasteful number, since it uses less digits than its factorization.

2125321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10199.

The product of its digits is 120, while the sum is 16.

The square root of 2125321 is about 1457.8480716453. The cubic root of 2125321 is about 128.5705527865.

The spelling of 2125321 in words is "two million, one hundred twenty-five thousand, three hundred twenty-one".

Divisors: 1 11 19 209 10169 111859 193211 2125321