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3040020030 = 235417333857
BaseRepresentation
bin1011010100110011…
…0000011000111110
321211212100000111110
42311030300120332
522211221120110
61221354102450
7135222513105
oct26514603076
97755300443
103040020030
111320015053
1270a11aa26
13395a87228
1420ba6303c
1512bd4ba20
hexb533063e

3040020030 has 64 divisors (see below), whose sum is σ = 7576607808. Its totient is φ = 780042240.

The previous prime is 3040019981. The next prime is 3040020037. The reversal of 3040020030 is 300200403.

3040020030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3040019988 and 3040020015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040020037) 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, 72862 + ... + 106718.

It is an arithmetic number, because the mean of its divisors is an integer number (118384497).

Almost surely, 23040020030 is an apocalyptic number.

3040020030 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 3040020030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3788303904).

3040020030 is an abundant number, since it is smaller than the sum of its proper divisors (4536587778).

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

3040020030 is a wasteful number, since it uses less digits than its factorization.

3040020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33981.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 3040020030 is about 55136.3766491778. The cubic root of 3040020030 is about 1448.6344702696.

Adding to 3040020030 its reverse (300200403), we get a palindrome (3340220433).

The spelling of 3040020030 in words is "three billion, forty million, twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 41 73 82 123 146 205 219 246 365 410 438 615 730 1095 1230 2190 2993 5986 8979 14965 17958 29930 33857 44895 67714 89790 101571 169285 203142 338570 507855 1015710 1388137 2471561 2776274 4164411 4943122 6940685 7414683 8328822 12357805 13881370 14829366 20822055 24715610 37073415 41644110 74146830 101334001 202668002 304002003 506670005 608004006 1013340010 1520010015 3040020030