Base | Representation |
---|---|
bin | 100110111101111… |
… | …1101001111101110 |
3 | 10101010102002012220 |
4 | 1031323331033232 |
5 | 10134214003430 |
6 | 333425340210 |
7 | 44255046666 |
oct | 11573751756 |
9 | 3333362186 |
10 | 1307562990 |
11 | 6110a3478 |
12 | 305a97666 |
13 | 17ab85516 |
14 | c592d1a6 |
15 | 79bd6110 |
hex | 4defd3ee |
1307562990 has 32 divisors (see below), whose sum is σ = 3322749600. Its totient is φ = 328172544.
The previous prime is 1307562989. The next prime is 1307563009. The reversal of 1307562990 is 992657031.
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, 1281415 + ... + 1282434.
It is an arithmetic number, because the mean of its divisors is an integer number (103835925).
Almost surely, 21307562990 is an apocalyptic number.
1307562990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1307562990 is an abundant number, since it is smaller than the sum of its proper divisors (2015186610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1307562990 is a wasteful number, since it uses less digits than its factorization.
1307562990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2563876.
The product of its (nonzero) digits is 102060, while the sum is 42.
The square root of 1307562990 is about 36160.2404582713. The cubic root of 1307562990 is about 1093.5052518382.
The spelling of 1307562990 in words is "one billion, three hundred seven million, five hundred sixty-two thousand, nine hundred ninety".
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