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3190897 = 5954083
BaseRepresentation
bin1100001011000001110001
320000010002101
430023001301
51304102042
6152220401
736056623
oct14130161
96003071
103190897
11188a406
12109a701
13879508
145d0c13
154306b7
hex30b071

3190897 has 4 divisors (see below), whose sum is σ = 3245040. Its totient is φ = 3136756.

The previous prime is 3190871. The next prime is 3190909. The reversal of 3190897 is 7980913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7980913 = 13160923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3190897 is a prime.

It is a Duffinian number.

3190897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3190597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26983 + ... + 27100.

It is an arithmetic number, because the mean of its divisors is an integer number (811260).

Almost surely, 23190897 is an apocalyptic number.

It is an amenable number.

3190897 is a deficient number, since it is larger than the sum of its proper divisors (54143).

3190897 is an equidigital number, since it uses as much as digits as its factorization.

3190897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54142.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 3190897 is about 1786.3082040902. The cubic root of 3190897 is about 147.2213949929.

The spelling of 3190897 in words is "three million, one hundred ninety thousand, eight hundred ninety-seven".

Divisors: 1 59 54083 3190897