Base | Representation |
---|---|
bin | 111001011001001… |
… | …1110100111010100 |
3 | 11222012210120021101 |
4 | 1302302132213110 |
5 | 12421003211340 |
6 | 515033155444 |
7 | 65503220641 |
oct | 16262364724 |
9 | 4865716241 |
10 | 1925835220 |
11 | 8a90a1561 |
12 | 458b5bb84 |
13 | 248caac8a |
14 | 143ab0dc8 |
15 | b4112c9a |
hex | 72c9e9d4 |
1925835220 has 48 divisors (see below), whose sum is σ = 4107837888. Its totient is φ = 758315520.
The previous prime is 1925835211. The next prime is 1925835221. The reversal of 1925835220 is 225385291.
It is a self number, because there is not a number n which added to its sum of digits gives 1925835220.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1925835221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346060 + ... + 351580.
It is an arithmetic number, because the mean of its divisors is an integer number (85579956).
Almost surely, 21925835220 is an apocalyptic number.
1925835220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1925835220 is an abundant number, since it is smaller than the sum of its proper divisors (2182002668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1925835220 is a wasteful number, since it uses less digits than its factorization.
1925835220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5800 (or 5798 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 1925835220 is about 43884.3391200095. The cubic root of 1925835220 is about 1244.1508529406.
The spelling of 1925835220 in words is "one billion, nine hundred twenty-five million, eight hundred thirty-five thousand, two hundred twenty".
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