Search a number
-
+
2860026431 = 18125496199
BaseRepresentation
bin1010101001111000…
…1000101000111111
321101022122101200212
42222132020220333
521324131321211
61151444143035
7130605552323
oct25236105077
97338571625
102860026431
111238457209
12679997a7b
133676b6242
141d1bab983
1511b14538b
hexaa788a3f

2860026431 has 8 divisors (see below), whose sum is σ = 2877420000. Its totient is φ = 2842650720.

The previous prime is 2860026409. The next prime is 2860026503. The reversal of 2860026431 is 1346200682.

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 2860026431 - 214 = 2860010047 is a prime.

It is a super-2 number, since 2×28600264312 = 16359502372037195522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2860026401) 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 7 ways as a sum of consecutive naturals, for example, 458270 + ... + 464468.

It is an arithmetic number, because the mean of its divisors is an integer number (359677500).

Almost surely, 22860026431 is an apocalyptic number.

2860026431 is a deficient number, since it is larger than the sum of its proper divisors (17393569).

2860026431 is a wasteful number, since it uses less digits than its factorization.

2860026431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8929.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2860026431 is about 53479.2149437517. The cubic root of 2860026431 is about 1419.4606215365.

The spelling of 2860026431 in words is "two billion, eight hundred sixty million, twenty-six thousand, four hundred thirty-one".

Divisors: 1 181 2549 6199 461369 1122019 15801251 2860026431