Base | Representation |
---|---|
bin | 111110101001010… |
… | …0111111111111100 |
3 | 12102111100102010222 |
4 | 1331102213333330 |
5 | 13301110100203 |
6 | 544325520512 |
7 | 103042666154 |
oct | 17522477774 |
9 | 5374312128 |
10 | 2102034428 |
11 | 9895a863a |
12 | 4a7b73138 |
13 | 276650b70 |
14 | 15d259764 |
15 | c481a038 |
hex | 7d4a7ffc |
2102034428 has 48 divisors (see below), whose sum is σ = 4245242400. Its totient is φ = 902068224.
The previous prime is 2102034427. The next prime is 2102034437. The reversal of 2102034428 is 8244302012.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a junction number, because it is equal to n+sod(n) for n = 2102034397 and 2102034406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102034427) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59048 + ... + 87696.
It is an arithmetic number, because the mean of its divisors is an integer number (88442550).
Almost surely, 22102034428 is an apocalyptic number.
It is an amenable number.
2102034428 is an abundant number, since it is smaller than the sum of its proper divisors (2143207972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102034428 is a wasteful number, since it uses less digits than its factorization.
2102034428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28766 (or 28764 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 26.
The square root of 2102034428 is about 45847.9490053808. The cubic root of 2102034428 is about 1280.9925626482.
The spelling of 2102034428 in words is "two billion, one hundred two million, thirty-four thousand, four hundred twenty-eight".
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