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30104243 = 1313716903
BaseRepresentation
bin111001011010…
…1101010110011
32002122110020222
41302311222303
530201313433
62553123255
7513611321
oct162655263
962573228
1030104243
1115aa1844
12a0b952b
136310580
143dd8d11
152999b98
hex1cb5ab3

30104243 has 8 divisors (see below), whose sum is σ = 32658528. Its totient is φ = 27584064.

The previous prime is 30104231. The next prime is 30104281. The reversal of 30104243 is 34240103.

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 30104243 - 220 = 29055667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30104143) 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, 6671 + ... + 10232.

It is an arithmetic number, because the mean of its divisors is an integer number (4082316).

Almost surely, 230104243 is an apocalyptic number.

30104243 is a deficient number, since it is larger than the sum of its proper divisors (2554285).

30104243 is a wasteful number, since it uses less digits than its factorization.

30104243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17053.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30104243 is about 5486.7333633046. The cubic root of 30104243 is about 311.0827314769.

Adding to 30104243 its reverse (34240103), we get a palindrome (64344346).

The spelling of 30104243 in words is "thirty million, one hundred four thousand, two hundred forty-three".

Divisors: 1 13 137 1781 16903 219739 2315711 30104243