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3030069 = 37144289
BaseRepresentation
bin1011100011110000110101
312200221110210
423203300311
51233430234
6144540033
734520010
oct13436065
95627423
103030069
11178a599
121021619
13821253
1458c377
153ecbe9
hex2e3c35

3030069 has 8 divisors (see below), whose sum is σ = 4617280. Its totient is φ = 1731456.

The previous prime is 3030047. The next prime is 3030107. The reversal of 3030069 is 9600303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3030069 - 25 = 3030037 is a prime.

It is a super-2 number, since 2×30300692 = 18362636289522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 144289 = 3030069 / (3 + 0 + 3 + 0 + 0 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030019) 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, 72124 + ... + 72165.

It is an arithmetic number, because the mean of its divisors is an integer number (577160).

Almost surely, 23030069 is an apocalyptic number.

It is an amenable number.

3030069 is a deficient number, since it is larger than the sum of its proper divisors (1587211).

3030069 is a wasteful number, since it uses less digits than its factorization.

3030069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144299.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 3030069 is about 1740.7093381722. The cubic root of 3030069 is about 144.7052116376.

The spelling of 3030069 in words is "three million, thirty thousand, sixty-nine".

Divisors: 1 3 7 21 144289 432867 1010023 3030069