Base | Representation |
---|---|
bin | 100110110100001… |
… | …1000010111101110 |
3 | 10100202202100202010 |
4 | 1031220120113232 |
5 | 10131410244324 |
6 | 333123342050 |
7 | 44163324360 |
oct | 11550302756 |
9 | 3322670663 |
10 | 1302431214 |
11 | 609208937 |
12 | 304221926 |
13 | 179aa9776 |
14 | c4d94d30 |
15 | 79520829 |
hex | 4da185ee |
1302431214 has 32 divisors (see below), whose sum is σ = 3046222080. Its totient is φ = 363468672.
The previous prime is 1302431203. The next prime is 1302431233. The reversal of 1302431214 is 4121342031.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358779 + ... + 362390.
It is an arithmetic number, because the mean of its divisors is an integer number (95194440).
Almost surely, 21302431214 is an apocalyptic number.
1302431214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1302431214 is an abundant number, since it is smaller than the sum of its proper divisors (1743790866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1302431214 is a wasteful number, since it uses less digits than its factorization.
1302431214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 721224.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 1302431214 is about 36089.2118783439. The cubic root of 1302431214 is about 1092.0728208224.
Adding to 1302431214 its reverse (4121342031), we get a palindrome (5423773245).
The spelling of 1302431214 in words is "one billion, three hundred two million, four hundred thirty-one thousand, two hundred fourteen".
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