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3045117 = 31015039
BaseRepresentation
bin1011100111011011111101
312201201010010
423213123331
51234420432
6145133433
734611615
oct13473375
95651103
103045117
11179a929
12102a279
1382805a
14593a45
154023cc
hex2e76fd

3045117 has 4 divisors (see below), whose sum is σ = 4060160. Its totient is φ = 2030076.

The previous prime is 3045109. The next prime is 3045127. The reversal of 3045117 is 7115403.

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 an emirpimes, since its reverse is a distinct semiprime: 7115403 = 32371801.

It is not a de Polignac number, because 3045117 - 23 = 3045109 is a prime.

It is a D-number.

It is a Duffinian number.

3045117 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3045093 and 3045102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045127) 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, 507517 + ... + 507522.

It is an arithmetic number, because the mean of its divisors is an integer number (1015040).

Almost surely, 23045117 is an apocalyptic number.

It is an amenable number.

3045117 is a deficient number, since it is larger than the sum of its proper divisors (1015043).

3045117 is a wasteful number, since it uses less digits than its factorization.

3045117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015042.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 3045117 is about 1745.0263608324. The cubic root of 3045117 is about 144.9443623243.

The spelling of 3045117 in words is "three million, forty-five thousand, one hundred seventeen".

Divisors: 1 3 1015039 3045117