Search a number
-
+
30300845 = 541791871
BaseRepresentation
bin111001110010…
…1101010101101
32010000102221112
41303211222231
530224111340
63001241405
7515360441
oct163455255
963012845
1030300845
1116116523
12a193265
13637bbc3
14404a821
1529d8065
hex1ce5aad

30300845 has 16 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 23337600.

The previous prime is 30300841. The next prime is 30300863. The reversal of 30300845 is 54800303.

It is not a de Polignac number, because 30300845 - 22 = 30300841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30300845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300841) 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, 15260 + ... + 17130.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 230300845 is an apocalyptic number.

It is an amenable number.

30300845 is a deficient number, since it is larger than the sum of its proper divisors (7438675).

30300845 is a wasteful number, since it uses less digits than its factorization.

30300845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30300845 is about 5504.6203320483. The cubic root of 30300845 is about 311.7584593678.

The spelling of 30300845 in words is "thirty million, three hundred thousand, eight hundred forty-five".

Divisors: 1 5 41 79 205 395 1871 3239 9355 16195 76711 147809 383555 739045 6060169 30300845