[go: up one dir, main page]

Search a number
-
+
2830386241 = 12263230807
BaseRepresentation
bin1010100010110100…
…0100010001000001
321022020212112000001
42220231010101001
521244034324431
61144505000001
7130065612634
oct25055042101
97266775001
102830386241
111222752091
1266ba83001
13361508c77
141cbc93c1b
1511873ce61
hexa8b44441

2830386241 has 4 divisors (see below), whose sum is σ = 2830629312. Its totient is φ = 2830143172.

The previous prime is 2830386239. The next prime is 2830386263. The reversal of 2830386241 is 1426830382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2830386241 - 21 = 2830386239 is a prime.

It is a super-2 number, since 2×28303862412 = 16022172546484220162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2830386241.

It is not an unprimeable number, because it can be changed into a prime (2830386841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103141 + ... + 127666.

It is an arithmetic number, because the mean of its divisors is an integer number (707657328).

Almost surely, 22830386241 is an apocalyptic number.

It is an amenable number.

2830386241 is a deficient number, since it is larger than the sum of its proper divisors (243071).

2830386241 is a wasteful number, since it uses less digits than its factorization.

2830386241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243070.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2830386241 is about 53201.3744277345. The cubic root of 2830386241 is about 1414.5400063896.

The spelling of 2830386241 in words is "two billion, eight hundred thirty million, three hundred eighty-six thousand, two hundred forty-one".

Divisors: 1 12263 230807 2830386241