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1896245 = 51329173
BaseRepresentation
bin111001110111100110101
310120100011022
413032330311
5441134440
6104350525
722055261
oct7167465
93510138
101896245
11108574a
12775445
13515150
143750a1
15276cb5
hex1cef35

1896245 has 8 divisors (see below), whose sum is σ = 2450616. Its totient is φ = 1400256.

The previous prime is 1896241. The next prime is 1896247. The reversal of 1896245 is 5426981.

It can be written as a sum of positive squares in 4 ways, for example, as 27556 + 1868689 = 166^2 + 1367^2 .

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

It is not a de Polignac number, because 1896245 - 22 = 1896241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896241) 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, 14522 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (306327).

21896245 is an apocalyptic number.

It is an amenable number.

1896245 is a deficient number, since it is larger than the sum of its proper divisors (554371).

1896245 is a wasteful number, since it uses less digits than its factorization.

1896245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29191.

The product of its digits is 17280, while the sum is 35.

The square root of 1896245 is about 1377.0421199077. The cubic root of 1896245 is about 123.7745861431.

The spelling of 1896245 in words is "one million, eight hundred ninety-six thousand, two hundred forty-five".

Divisors: 1 5 13 65 29173 145865 379249 1896245