Search a number
-
+
3034312421 = 72338948449
BaseRepresentation
bin1011010011011011…
…1110111011100101
321211110121001010112
42310312332323211
522203240444141
61221031502405
7135123141620
oct26466767345
97743531115
103034312421
111317876918
12708227a05
1339483934a
1420adb8db7
1512b5c07eb
hexb4dbeee5

3034312421 has 16 divisors (see below), whose sum is σ = 3627936000. Its totient is φ = 2481312768.

The previous prime is 3034312409. The next prime is 3034312429. The reversal of 3034312421 is 1242134303.

It is a cyclic number.

It is not a de Polignac number, because 3034312421 - 230 = 1960570597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3034312429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38405 + ... + 86853.

It is an arithmetic number, because the mean of its divisors is an integer number (226746000).

Almost surely, 23034312421 is an apocalyptic number.

It is an amenable number.

3034312421 is a deficient number, since it is larger than the sum of its proper divisors (593623579).

3034312421 is a wasteful number, since it uses less digits than its factorization.

3034312421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48868.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3034312421 is about 55084.5933179142. The cubic root of 3034312421 is about 1447.7273031044.

Adding to 3034312421 its reverse (1242134303), we get a palindrome (4276446724).

The spelling of 3034312421 in words is "three billion, thirty-four million, three hundred twelve thousand, four hundred twenty-one".

Divisors: 1 7 23 161 389 2723 8947 48449 62629 339143 1114327 7800289 18846661 131926627 433473203 3034312421