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3190397 = 71572903
BaseRepresentation
bin1100001010111001111101
320000002101212
430022321331
51304043042
6152214205
736055310
oct14127175
96002355
103190397
111889aa1
12109a365
13879212
145d0977
15430482
hex30ae7d

3190397 has 8 divisors (see below), whose sum is σ = 3670656. Its totient is φ = 2716272.

The previous prime is 3190393. The next prime is 3190403. The reversal of 3190397 is 7930913.

It is a happy number.

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 3190397 - 22 = 3190393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3190393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353 + ... + 2550.

It is an arithmetic number, because the mean of its divisors is an integer number (458832).

Almost surely, 23190397 is an apocalyptic number.

It is an amenable number.

3190397 is a deficient number, since it is larger than the sum of its proper divisors (480259).

3190397 is a wasteful number, since it uses less digits than its factorization.

3190397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 3190397 is about 1786.1682451550. The cubic root of 3190397 is about 147.2137049356.

The spelling of 3190397 in words is "three million, one hundred ninety thousand, three hundred ninety-seven".

Divisors: 1 7 157 1099 2903 20321 455771 3190397