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3052009 = 17472
BaseRepresentation
bin1011101001000111101001
312202001120101
423221013221
51240131014
6145225401
734640662
oct13510751
95661511
103052009
1117a5024
121032261
1382b22c
14596369
15404474
hex2e91e9

3052009 has 3 divisors (see below), whose sum is σ = 3053757. Its totient is φ = 3050262.

The previous prime is 3052003. The next prime is 3052033. The reversal of 3052009 is 9002503.

The square root of 3052009 is 1747.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 3052009 - 25 = 3051977 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

3052009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3052003) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 874 + ... + 2620.

It is an arithmetic number, because the mean of its divisors is an integer number (1017919).

Almost surely, 23052009 is an apocalyptic number.

3052009 is the 1747-th square number.

3052009 is the 874-th centered octagonal number.

It is an amenable number.

3052009 is a deficient number, since it is larger than the sum of its proper divisors (1748).

3052009 is an frugal number, since it uses more digits than its factorization.

3052009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The cubic root of 3052009 is about 145.0536305776.

The spelling of 3052009 in words is "three million, fifty-two thousand, nine".

Divisors: 1 1747 3052009