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2031897 = 3796757
BaseRepresentation
bin111110000000100011001
310211020020110
413300010121
51010010042
6111314533
723161620
oct7600431
93736213
102031897
11116865a
1281ba49
13561b0a
143ac6b7
152a209c
hex1f0119

2031897 has 8 divisors (see below), whose sum is σ = 3096256. Its totient is φ = 1161072.

The previous prime is 2031893. The next prime is 2031907. The reversal of 2031897 is 7981302.

It is a happy number.

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

It is not a de Polignac number, because 2031897 - 22 = 2031893 is a prime.

It is a Duffinian number.

2031897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2031893) 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, 48358 + ... + 48399.

It is an arithmetic number, because the mean of its divisors is an integer number (387032).

22031897 is an apocalyptic number.

It is an amenable number.

2031897 is a deficient number, since it is larger than the sum of its proper divisors (1064359).

2031897 is an equidigital number, since it uses as much as digits as its factorization.

2031897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96767.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2031897 is about 1425.4462459174. The cubic root of 2031897 is about 126.6583704939.

The spelling of 2031897 in words is "two million, thirty-one thousand, eight hundred ninety-seven".

Divisors: 1 3 7 21 96757 290271 677299 2031897