[go: up one dir, main page]

Search a number
-
+
30043213 = 593371511
BaseRepresentation
bin111001010011…
…0110001001101
32002112100112121
41302212301031
530142340323
62551532541
7513235354
oct162466115
962470477
1030043213
1115a5aa02
12a08a151
1362bb865
143dc099b
152986a5d
hex1ca6c4d

30043213 has 8 divisors (see below), whose sum is σ = 30663360. Its totient is φ = 29426880.

The previous prime is 30043207. The next prime is 30043219. The reversal of 30043213 is 31234003.

It is an interprime number because it is at equal distance from previous prime (30043207) and next prime (30043219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30043213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30043219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19128 + ... + 20638.

It is an arithmetic number, because the mean of its divisors is an integer number (3832920).

Almost surely, 230043213 is an apocalyptic number.

It is an amenable number.

30043213 is a deficient number, since it is larger than the sum of its proper divisors (620147).

30043213 is a wasteful number, since it uses less digits than its factorization.

30043213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30043213 is about 5481.1689446686. The cubic root of 30043213 is about 310.8723710615.

Adding to 30043213 its reverse (31234003), we get a palindrome (61277216).

The spelling of 30043213 in words is "thirty million, forty-three thousand, two hundred thirteen".

Divisors: 1 59 337 1511 19883 89149 509207 30043213