Search a number
-
+
4894572857 = 31853185099
BaseRepresentation
bin1001000111011110…
…10100000100111001
3110122010000001201012
410203233110010321
540011002312412
62125403403305
7232202116466
oct44357240471
913563001635
104894572857
11209194a039
12b47223535
13600067a75
1434609a66d
151d9a7dc22
hex123bd4139

4894572857 has 8 divisors (see below), whose sum is σ = 5058412800. Its totient is φ = 4731104880.

The previous prime is 4894572841. The next prime is 4894572877. The reversal of 4894572857 is 7582754984.

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 4894572857 - 24 = 4894572841 is a prime.

It is a super-2 number, since 2×48945728572 = 47913686904962284898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4894572796 and 4894572805.

It is not an unprimeable number, because it can be changed into a prime (4894572827) 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, 66107 + ... + 118992.

It is an arithmetic number, because the mean of its divisors is an integer number (632301600).

Almost surely, 24894572857 is an apocalyptic number.

It is an amenable number.

4894572857 is a deficient number, since it is larger than the sum of its proper divisors (163839943).

4894572857 is a wasteful number, since it uses less digits than its factorization.

4894572857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185983.

The product of its digits is 22579200, while the sum is 59.

The square root of 4894572857 is about 69961.2239529870. The cubic root of 4894572857 is about 1697.8719458713.

The spelling of 4894572857 in words is "four billion, eight hundred ninety-four million, five hundred seventy-two thousand, eight hundred fifty-seven".

Divisors: 1 31 853 26443 185099 5738069 157889447 4894572857