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3038661 = 33112543
BaseRepresentation
bin1011100101110111000101
312201101021000
423211313011
51234214121
6145043513
734554033
oct13456705
95641230
103038661
111795a9a
121026599
13825132
14591553
15400526
hex2e5dc5

3038661 has 8 divisors (see below), whose sum is σ = 4501760. Its totient is φ = 2025756.

The previous prime is 3038657. The next prime is 3038687. The reversal of 3038661 is 1668303.

It is not a de Polignac number, because 3038661 - 22 = 3038657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 112543 = 3038661 / (3 + 0 + 3 + 8 + 6 + 6 + 1).

It is a Duffinian number.

3038661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3038561) 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, 56245 + ... + 56298.

It is an arithmetic number, because the mean of its divisors is an integer number (562720).

Almost surely, 23038661 is an apocalyptic number.

It is an amenable number.

3038661 is a deficient number, since it is larger than the sum of its proper divisors (1463099).

3038661 is a wasteful number, since it uses less digits than its factorization.

3038661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112552 (or 112546 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3038661 is about 1743.1755505399. The cubic root of 3038661 is about 144.8418569154.

The spelling of 3038661 in words is "three million, thirty-eight thousand, six hundred sixty-one".

Divisors: 1 3 9 27 112543 337629 1012887 3038661