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3028387 = 23353373
BaseRepresentation
bin1011100011010110100011
312200212011111
423203112203
51233402022
6144524151
734512055
oct13432643
95625144
103028387
1117892aa
121020657
1382055b
1458b8d5
153ec477
hex2e35a3

3028387 has 8 divisors (see below), whose sum is σ = 3177504. Its totient is φ = 2880768.

The previous prime is 3028379. The next prime is 3028423. The reversal of 3028387 is 7838203.

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 3028387 - 23 = 3028379 is a prime.

It is a super-2 number, since 2×30283872 = 18342255643538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3028357) 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, 7933 + ... + 8305.

It is an arithmetic number, because the mean of its divisors is an integer number (397188).

Almost surely, 23028387 is an apocalyptic number.

3028387 is a deficient number, since it is larger than the sum of its proper divisors (149117).

3028387 is a wasteful number, since it uses less digits than its factorization.

3028387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 3028387 is about 1740.2261347308. The cubic root of 3028387 is about 144.6784312555.

The spelling of 3028387 in words is "three million, twenty-eight thousand, three hundred eighty-seven".

Divisors: 1 23 353 373 8119 8579 131669 3028387