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3030690 = 2351319409
BaseRepresentation
bin1011100011111010100010
312200222022210
423203322202
51233440230
6144542550
734521555
oct13437242
95628283
103030690
111790003
121021a56
13821610
1458c69c
153eceb0
hex2e3ea2

3030690 has 64 divisors (see below), whose sum is σ = 8265600. Its totient is φ = 705024.

The previous prime is 3030689. The next prime is 3030691. The reversal of 3030690 is 960303.

It is an interprime number because it is at equal distance from previous prime (3030689) and next prime (3030691).

It is a super-2 number, since 2×30306902 = 18370163752200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3030691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7206 + ... + 7614.

It is an arithmetic number, because the mean of its divisors is an integer number (129150).

Almost surely, 23030690 is an apocalyptic number.

3030690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3030690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4132800).

3030690 is an abundant number, since it is smaller than the sum of its proper divisors (5234910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3030690 is a wasteful number, since it uses less digits than its factorization.

3030690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

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

The square root of 3030690 is about 1740.8877045921. The cubic root of 3030690 is about 144.7150965388.

Adding to 3030690 its reverse (960303), we get a palindrome (3990993).

The spelling of 3030690 in words is "three million, thirty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 19 26 30 38 39 57 65 78 95 114 130 190 195 247 285 390 409 494 570 741 818 1227 1235 1482 2045 2454 2470 3705 4090 5317 6135 7410 7771 10634 12270 15542 15951 23313 26585 31902 38855 46626 53170 77710 79755 101023 116565 159510 202046 233130 303069 505115 606138 1010230 1515345 3030690