Base | Representation |
---|---|
bin | 111001011000011… |
… | …1010010111101100 |
3 | 11222012000201000222 |
4 | 1302300322113230 |
5 | 12420402041440 |
6 | 515020310512 |
7 | 65466560600 |
oct | 16260722754 |
9 | 4865021028 |
10 | 1925424620 |
11 | 8a8941019 |
12 | 4589a2438 |
13 | 248b96112 |
14 | 143a05500 |
15 | b40812b5 |
hex | 72c3a5ec |
1925424620 has 36 divisors (see below), whose sum is σ = 4703539680. Its totient is φ = 660145248.
The previous prime is 1925424617. The next prime is 1925424653. The reversal of 1925424620 is 264245291.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 981380 + ... + 983339.
It is an arithmetic number, because the mean of its divisors is an integer number (130653880).
Almost surely, 21925424620 is an apocalyptic number.
1925424620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1925424620 is an abundant number, since it is smaller than the sum of its proper divisors (2778115060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1925424620 is a wasteful number, since it uses less digits than its factorization.
1925424620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1964742 (or 1964733 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 35.
The square root of 1925424620 is about 43879.6606641391. The cubic root of 1925424620 is about 1244.0624264327.
The spelling of 1925424620 in words is "one billion, nine hundred twenty-five million, four hundred twenty-four thousand, six hundred twenty".
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