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2857146245 = 52232562463
BaseRepresentation
bin1010101001001100…
…1001011110000101
321101010020001211022
42222103021132011
521322412134440
61151302320525
7130542225302
oct25223113605
97333201738
102857146245
11123686a298
12678a29145
13366c182a5
141d165c0a9
1511ac76cb5
hexaa4c9785

2857146245 has 8 divisors (see below), whose sum is σ = 3443951616. Its totient is φ = 2275466256.

The previous prime is 2857146241. The next prime is 2857146289. The reversal of 2857146245 is 5426417582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2857146245 - 22 = 2857146241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2857146196 and 2857146205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857146241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280117 + ... + 1282346.

It is an arithmetic number, because the mean of its divisors is an integer number (430493952).

Almost surely, 22857146245 is an apocalyptic number.

It is an amenable number.

2857146245 is a deficient number, since it is larger than the sum of its proper divisors (586805371).

2857146245 is a wasteful number, since it uses less digits than its factorization.

2857146245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562691.

The product of its digits is 537600, while the sum is 44.

The square root of 2857146245 is about 53452.2800729772. The cubic root of 2857146245 is about 1418.9839728234.

The spelling of 2857146245 in words is "two billion, eight hundred fifty-seven million, one hundred forty-six thousand, two hundred forty-five".

Divisors: 1 5 223 1115 2562463 12812315 571429249 2857146245