Base | Representation |
---|---|
bin | 1011111101110… |
… | …11000010001010 |
3 | 20222212212120210 |
4 | 11332323002022 |
5 | 201144141220 |
6 | 13543301550 |
7 | 2326136265 |
oct | 576730212 |
9 | 228785523 |
10 | 100380810 |
11 | 51731652 |
12 | 2974a8b6 |
13 | 17a47c3a |
14 | d48dcdc |
15 | 8c2c6e0 |
hex | 5fbb08a |
100380810 has 32 divisors (see below), whose sum is σ = 241238592. Its totient is φ = 26732160.
The previous prime is 100380799. The next prime is 100380811. The reversal of 100380810 is 18083001.
It is a happy number.
It is a super-2 number, since 2×1003808102 = 20152614032512200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (100380811) 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, 26325 + ... + 29895.
It is an arithmetic number, because the mean of its divisors is an integer number (7538706).
Almost surely, 2100380810 is an apocalyptic number.
100380810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100380810 is an abundant number, since it is smaller than the sum of its proper divisors (140857782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100380810 is a wasteful number, since it uses less digits than its factorization.
100380810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4518.
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 100380810 is about 10019.0224074008. The cubic root of 100380810 is about 464.7473248587.
The spelling of 100380810 in words is "one hundred million, three hundred eighty thousand, eight hundred ten".
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