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3121433 = 71094091
BaseRepresentation
bin1011111010000100011001
312212120210122
423322010121
51244341213
6150523025
735350250
oct13720431
95776718
103121433
1118421a7
121066475
13853a03
145b3797
15419d08
hex2fa119

3121433 has 8 divisors (see below), whose sum is σ = 3600960. Its totient is φ = 2650320.

The previous prime is 3121429. The next prime is 3121441. The reversal of 3121433 is 3341213.

It is a happy number.

3121433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3121433 - 22 = 3121429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283 + ... + 2808.

It is an arithmetic number, because the mean of its divisors is an integer number (450120).

Almost surely, 23121433 is an apocalyptic number.

It is an amenable number.

3121433 is a deficient number, since it is larger than the sum of its proper divisors (479527).

3121433 is a wasteful number, since it uses less digits than its factorization.

3121433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its digits is 216, while the sum is 17.

The square root of 3121433 is about 1766.7577649469. The cubic root of 3121433 is about 146.1452392190.

Adding to 3121433 its reverse (3341213), we get a palindrome (6462646).

The spelling of 3121433 in words is "three million, one hundred twenty-one thousand, four hundred thirty-three".

Divisors: 1 7 109 763 4091 28637 445919 3121433