Base | Representation |
---|---|
bin | 1011010000110101… |
… | …1110010100010010 |
3 | 21210201010012112100 |
4 | 2310031132110102 |
5 | 22142444242210 |
6 | 1220002341230 |
7 | 134631511302 |
oct | 26415362422 |
9 | 7721105470 |
10 | 3023430930 |
11 | 1311714453 |
12 | 70465a816 |
13 | 3924c94b0 |
14 | 209785602 |
15 | 12a6715c0 |
hex | b435e512 |
3023430930 has 144 divisors (see below), whose sum is σ = 8750752920. Its totient is φ = 719953920.
The previous prime is 3023430923. The next prime is 3023430953. The reversal of 3023430930 is 390343203.
It can be written as a sum of positive squares in 4 ways, for example, as 1005714369 + 2017716561 = 31713^2 + 44919^2 .
It is a super-2 number, since 2×30234309302 = 18282269176961329800, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 3023430894 and 3023430903.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1123026 + ... + 1125714.
Almost surely, 23023430930 is an apocalyptic number.
3023430930 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 3023430930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4375376460).
3023430930 is an abundant number, since it is smaller than the sum of its proper divisors (5727321990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3023430930 is a wasteful number, since it uses less digits than its factorization.
3023430930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2777 (or 2743 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
The square root of 3023430930 is about 54985.7338770703. The cubic root of 3023430930 is about 1445.9946425196.
The spelling of 3023430930 in words is "three billion, twenty-three million, four hundred thirty thousand, nine hundred thirty".
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