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3057389 = 12832383
BaseRepresentation
bin1011101010011011101101
312202022221122
423222123231
51240314024
6145310325
734662446
oct13523355
95668848
103057389
1117a9075
1210353a5
1383080a
145982cd
15405d5e
hex2ea6ed

3057389 has 4 divisors (see below), whose sum is σ = 3061056. Its totient is φ = 3053724.

The previous prime is 3057377. The next prime is 3057403. The reversal of 3057389 is 9837503.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3057389 - 212 = 3053293 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 (3057319) 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, 92 + ... + 2474.

It is an arithmetic number, because the mean of its divisors is an integer number (765264).

Almost surely, 23057389 is an apocalyptic number.

It is an amenable number.

3057389 is a deficient number, since it is larger than the sum of its proper divisors (3667).

3057389 is a wasteful number, since it uses less digits than its factorization.

3057389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3057389 is about 1748.5391045098. The cubic root of 3057389 is about 145.1388127676.

The spelling of 3057389 in words is "three million, fifty-seven thousand, three hundred eighty-nine".

Divisors: 1 1283 2383 3057389