Base | Representation |
---|---|
bin | 101010100010011… |
… | …0000011100110110 |
3 | 10200110201212202210 |
4 | 1111010300130312 |
5 | 10410342413030 |
6 | 353344114250 |
7 | 50240636532 |
oct | 12504603466 |
9 | 3613655683 |
10 | 1427310390 |
11 | 672752470 |
12 | 33a005986 |
13 | 19992147c |
14 | d77c0bc2 |
15 | 8548bbb0 |
hex | 55130736 |
1427310390 has 64 divisors (see below), whose sum is σ = 3752801280. Its totient is φ = 344547840.
The previous prime is 1427310383. The next prime is 1427310403. The reversal of 1427310390 is 930137241.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69822 + ... + 87918.
It is an arithmetic number, because the mean of its divisors is an integer number (58637520).
Almost surely, 21427310390 is an apocalyptic number.
1427310390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1427310390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1876400640).
1427310390 is an abundant number, since it is smaller than the sum of its proper divisors (2325490890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1427310390 is a wasteful number, since it uses less digits than its factorization.
1427310390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18357.
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 1427310390 is about 37779.7616456219. The cubic root of 1427310390 is about 1125.9163930826.
The spelling of 1427310390 in words is "one billion, four hundred twenty-seven million, three hundred ten thousand, three hundred ninety".
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