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2804290231 = 6189516539
BaseRepresentation
bin1010011100100110…
…0001001010110111
321020102202201000011
42213021201022313
521220344241411
61142133401051
7126331034161
oct24711411267
97212681004
102804290231
111209a48836
12663199187
13358c9cc42
141c861d931
151162d5c21
hexa72612b7

2804290231 has 8 divisors (see below), whose sum is σ = 2882293200. Its totient is φ = 2727320640.

The previous prime is 2804290217. The next prime is 2804290241. The reversal of 2804290231 is 1320924082.

2804290231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2804290231 - 217 = 2804159159 is a prime.

It is a super-2 number, since 2×28042902312 = 15728087399364066722, 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 = 2804290193 and 2804290202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804290201) 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, 252841 + ... + 263698.

It is an arithmetic number, because the mean of its divisors is an integer number (360286650).

Almost surely, 22804290231 is an apocalyptic number.

2804290231 is a deficient number, since it is larger than the sum of its proper divisors (78002969).

2804290231 is an equidigital number, since it uses as much as digits as its factorization.

2804290231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516689.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2804290231 is about 52955.5495769801. The cubic root of 2804290231 is about 1410.1792490457.

The spelling of 2804290231 in words is "two billion, eight hundred four million, two hundred ninety thousand, two hundred thirty-one".

Divisors: 1 61 89 5429 516539 31508879 45971971 2804290231