Search a number
-
+
30272734 = 2373131307
BaseRepresentation
bin111001101111…
…0110011011110
32002222000101101
41303132303132
530222211414
63000503314
7515212462
oct163366336
962860341
1030272734
11160a7398
12a17ab3a
13636c17b
1440404a2
1529cea74
hex1cdecde

30272734 has 16 divisors (see below), whose sum is σ = 46821168. Its totient is φ = 14668992.

The previous prime is 30272701. The next prime is 30272743. The reversal of 30272734 is 43727203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22509 + ... + 23815.

It is an arithmetic number, because the mean of its divisors is an integer number (2926323).

Almost surely, 230272734 is an apocalyptic number.

30272734 is a deficient number, since it is larger than the sum of its proper divisors (16548434).

30272734 is a wasteful number, since it uses less digits than its factorization.

30272734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 30272734 is about 5502.0663391130. The cubic root of 30272734 is about 311.6620203234.

Adding to 30272734 its reverse (43727203), we get a palindrome (73999937).

The spelling of 30272734 in words is "thirty million, two hundred seventy-two thousand, seven hundred thirty-four".

Divisors: 1 2 37 74 313 626 1307 2614 11581 23162 48359 96718 409091 818182 15136367 30272734