Base | Representation |
---|---|
bin | 100100010111000… |
… | …0001100000001010 |
3 | 10011000200122202022 |
4 | 1020232001200022 |
5 | 4444311234310 |
6 | 321021204442 |
7 | 42143015150 |
oct | 11056014012 |
9 | 3130618668 |
10 | 1220024330 |
11 | 576743378 |
12 | 2a0700722 |
13 | 1659b59b5 |
14 | b80633d0 |
15 | 72193a55 |
hex | 48b8180a |
1220024330 has 16 divisors (see below), whose sum is σ = 2509764480. Its totient is φ = 418294032.
The previous prime is 1220024327. The next prime is 1220024341. The reversal of 1220024330 is 334200221.
It is a junction number, because it is equal to n+sod(n) for n = 1220024299 and 1220024308.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8714390 + ... + 8714529.
It is an arithmetic number, because the mean of its divisors is an integer number (156860280).
Almost surely, 21220024330 is an apocalyptic number.
1220024330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1220024330 is an abundant number, since it is smaller than the sum of its proper divisors (1289740150).
1220024330 is a wasteful number, since it uses less digits than its factorization.
1220024330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17428933.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 1220024330 is about 34928.8466743464. The cubic root of 1220024330 is about 1068.5368331968.
Adding to 1220024330 its reverse (334200221), we get a palindrome (1554224551).
The spelling of 1220024330 in words is "one billion, two hundred twenty million, twenty-four thousand, three hundred thirty".
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