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3078045 = 32573937
BaseRepresentation
bin1011101111011110011101
312210101021200
423233132131
51241444140
6145550113
735106615
oct13573635
95711250
103078045
111812643
121045339
1383a039
145a1a45
1540c030
hex2ef79d

3078045 has 24 divisors (see below), whose sum is σ = 5414136. Its totient is φ = 1617408.

The previous prime is 3078043. The next prime is 3078059. The reversal of 3078045 is 5408703.

It can be written as a sum of positive squares in 4 ways, for example, as 19044 + 3059001 = 138^2 + 1749^2 .

It is not a de Polignac number, because 3078045 - 21 = 3078043 is a prime.

It is a super-2 number, since 2×30780452 = 18948722044050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3078043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2817 + ... + 3753.

It is an arithmetic number, because the mean of its divisors is an integer number (225589).

Almost surely, 23078045 is an apocalyptic number.

It is an amenable number.

3078045 is a deficient number, since it is larger than the sum of its proper divisors (2336091).

3078045 is a wasteful number, since it uses less digits than its factorization.

3078045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3078045 is about 1754.4358067481. The cubic root of 3078045 is about 145.4649364617.

The spelling of 3078045 in words is "three million, seventy-eight thousand, forty-five".

Divisors: 1 3 5 9 15 45 73 219 365 657 937 1095 2811 3285 4685 8433 14055 42165 68401 205203 342005 615609 1026015 3078045