Base | Representation |
---|---|
bin | 111101010100100… |
… | …0000111100110001 |
3 | 12022101200111100202 |
4 | 1322221000330301 |
5 | 13203214302040 |
6 | 540100524545 |
7 | 101663034416 |
oct | 17251007461 |
9 | 5271614322 |
10 | 2057572145 |
11 | 96649a452 |
12 | 4950b0755 |
13 | 26a384215 |
14 | 1573a410d |
15 | c0986015 |
hex | 7aa40f31 |
2057572145 has 16 divisors (see below), whose sum is σ = 2608015872. Its totient is φ = 1555908480.
The previous prime is 2057572117. The next prime is 2057572147. The reversal of 2057572145 is 5412757502.
It is not a de Polignac number, because 2057572145 - 26 = 2057572081 is a prime.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2057572099 and 2057572108.
It is not an unprimeable number, because it can be changed into a prime (2057572147) 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, 147692 + ... + 161021.
It is an arithmetic number, because the mean of its divisors is an integer number (163000992).
Almost surely, 22057572145 is an apocalyptic number.
It is an amenable number.
2057572145 is a deficient number, since it is larger than the sum of its proper divisors (550443727).
2057572145 is a wasteful number, since it uses less digits than its factorization.
2057572145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308792.
The product of its (nonzero) digits is 98000, while the sum is 38.
The square root of 2057572145 is about 45360.4689680343. The cubic root of 2057572145 is about 1271.8962610125.
The spelling of 2057572145 in words is "two billion, fifty-seven million, five hundred seventy-two thousand, one hundred forty-five".
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