Search a number
-
+
2830744047 = 35573169313
BaseRepresentation
bin1010100010111001…
…1011100111101111
321022021112200211010
42220232123213233
521244132302142
61144520400303
7130101633045
oct25056334757
97267480733
102830744047
11122297699a
12670016093
13361602aa1
141cbd48395
151187ade9c
hexa8b9b9ef

2830744047 has 8 divisors (see below), whose sum is σ = 3775024944. Its totient is φ = 1886812928.

The previous prime is 2830744043. The next prime is 2830744073. The reversal of 2830744047 is 7404470382.

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 2830744047 - 22 = 2830744043 is a prime.

It is a super-2 number, since 2×28307440472 = 16026223719251876418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2830743996 and 2830744014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830744043) 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, 67938 + ... + 101375.

It is an arithmetic number, because the mean of its divisors is an integer number (471878118).

Almost surely, 22830744047 is an apocalyptic number.

2830744047 is a deficient number, since it is larger than the sum of its proper divisors (944280897).

2830744047 is a wasteful number, since it uses less digits than its factorization.

2830744047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174889.

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 2830744047 is about 53204.7370729336. The cubic root of 2830744047 is about 1414.5996106900.

The spelling of 2830744047 in words is "two billion, eight hundred thirty million, seven hundred forty-four thousand, forty-seven".

Divisors: 1 3 5573 16719 169313 507939 943581349 2830744047