Search a number
-
+
2282055921 = 32433585593
BaseRepresentation
bin1000100000000101…
…0110100011110001
312220001002110012200
42020001112203301
514133201242141
61014240213413
7110360104155
oct21001264361
95801073180
102282055921
11a71185432
1253830a269
132a4a31762
1417911b065
15d5529ab6
hex880568f1

2282055921 has 12 divisors (see below), whose sum is σ = 3303921348. Its totient is φ = 1517854464.

The previous prime is 2282055887. The next prime is 2282055931. The reversal of 2282055921 is 1295502822.

2282055921 is a `hidden beast` number, since 2 + 2 + 82 + 0 + 559 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1195430625 + 1086625296 = 34575^2 + 32964^2 .

It is not a de Polignac number, because 2282055921 - 210 = 2282054897 is a prime.

It is a super-3 number, since 3×22820559213 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2282055931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288900 + ... + 296693.

It is an arithmetic number, because the mean of its divisors is an integer number (275326779).

Almost surely, 22282055921 is an apocalyptic number.

It is an amenable number.

2282055921 is a deficient number, since it is larger than the sum of its proper divisors (1021865427).

2282055921 is a wasteful number, since it uses less digits than its factorization.

2282055921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586032 (or 586029 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 2282055921 is about 47770.8689579748. The cubic root of 2282055921 is about 1316.5643593494.

The spelling of 2282055921 in words is "two billion, two hundred eighty-two million, fifty-five thousand, nine hundred twenty-one".

Divisors: 1 3 9 433 1299 3897 585593 1756779 5270337 253561769 760685307 2282055921